5000005000 has 80 divisors (see below), whose sum is σ = 11832196860. Its totient is φ = 1980000000.

The previous prime is 5000004979. The next prime is 5000005057. The reversal of 5000005000 is 5000005.

It can be written as a sum of positive squares in 10 ways, for example, as 440244324 + 4559760676 = 20982^2 + 67526^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 500050 + ... + 509950.

Almost surely, 2^5000005000 is an apocalyptic number.

5000005000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5000005000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5916098430).

5000005000 is an abundant number, since it is smaller than the sum of its proper divisors (6832191860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5000005000 is a wasteful number, since it uses less digits than its factorization.

5000005000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10028 (or 10009 counting only the distinct ones).

The product of its (nonzero) digits is 25, while the sum is 10.

The square root of 5000005000 is about 70710.7134739850. The cubic root of 5000005000 is about 1709.9765166685.

Adding to 5000005000 its reverse (5000005), we get a palindrome (5005005005).

5000005000 divided by its reverse (5000005) gives a cube (1000 = 10³).

It can be divided in two parts, 500000 and 5000, that multiplied together give a square (2500000000 = 50000²).

The spelling of 5000005000 in words is "five billion, five thousand".