5065621344 has 72 divisors (see below), whose sum is σ = 16463275920. Its totient is φ = 1447319808.

The previous prime is 5065621343. The next prime is 5065621349. The reversal of 5065621344 is 4431265605.

5065621344 is a `hidden beast` number, since 50 + 6 + 562 + 1 + 3 + 44 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 5065621299 and 5065621308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5065621343) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1254339 + ... + 1258370.

It is an arithmetic number, because the mean of its divisors is an integer number (228656610).

Almost surely, 2^5065621344 is an apocalyptic number.

It is an amenable number.

5065621344 is an abundant number, since it is smaller than the sum of its proper divisors (11397654576).

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

5065621344 is a wasteful number, since it uses less digits than its factorization.

5065621344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2512732 (or 2512721 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The square root of 5065621344 is about 71173.1785436059. The cubic root of 5065621344 is about 1717.4241848522.

Adding to 5065621344 its reverse (4431265605), we get a palindrome (9496886949).

The spelling of 5065621344 in words is "five billion, sixty-five million, six hundred twenty-one thousand, three hundred forty-four".