5208704649 has 16 divisors (see below), whose sum is σ = 7721101440. Its totient is φ = 3470443920.

The previous prime is 5208704639. The next prime is 5208704693. The reversal of 5208704649 is 9464078025.

It is a happy number.

5208704649 is a `hidden beast` number, since 520 + 87 + 0 + 4 + 6 + 49 = 666.

It is not a de Polignac number, because 5208704649 - 2⁵ = 5208704617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5208704639) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8397 + ... + 102410.

It is an arithmetic number, because the mean of its divisors is an integer number (482568840).

Almost surely, 2^5208704649 is an apocalyptic number.

It is an amenable number.

5208704649 is a deficient number, since it is larger than the sum of its proper divisors (2512396791).

5208704649 is a wasteful number, since it uses less digits than its factorization.

5208704649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112557 (or 112551 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The square root of 5208704649 is about 72171.3561532551. The cubic root of 5208704649 is about 1733.4443778423. Note that the first 3 decimals are identical.

The spelling of 5208704649 in words is "five billion, two hundred eight million, seven hundred four thousand, six hundred forty-nine".