5149708650 has 120 divisors (see below), whose sum is σ = 14658022764. Its totient is φ = 1339718400.

The previous prime is 5149708637. The next prime is 5149708679. The reversal of 5149708650 is 568079415.

5149708650 is a `hidden beast` number, since 514 + 9 + 7 + 0 + 86 + 50 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 641601 + 5149067049 = 801^2 + 71757^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 5149708596 and 5149708605.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 150544 + ... + 181556.

Almost surely, 2^5149708650 is an apocalyptic number.

5149708650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 5149708650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7329011382).

5149708650 is an abundant number, since it is smaller than the sum of its proper divisors (9508314114).

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

5149708650 is a wasteful number, since it uses less digits than its factorization.

5149708650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31078 (or 31064 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The square root of 5149708650 is about 71761.4705116889. The cubic root of 5149708650 is about 1726.8749367809.

The spelling of 5149708650 in words is "five billion, one hundred forty-nine million, seven hundred eight thousand, six hundred fifty".