5649872507 has 2 divisors, whose sum is σ = 5649872508. Its totient is φ = 5649872506.

The previous prime is 5649872479. The next prime is 5649872533. The reversal of 5649872507 is 7052789465.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5649872507 is a prime.

It is not a weakly prime, because it can be changed into another prime (5649872587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2824936253 + 2824936254.

It is an arithmetic number, because the mean of its divisors is an integer number (2824936254).

Almost surely, 2^5649872507 is an apocalyptic number.

5649872507 is a deficient number, since it is larger than the sum of its proper divisors (1).

5649872507 is an equidigital number, since it uses as much as digits as its factorization.

5649872507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4233600, while the sum is 53.

The square root of 5649872507 is about 75165.6338162594. The cubic root of 5649872507 is about 1781.0640974724.

The spelling of 5649872507 in words is "five billion, six hundred forty-nine million, eight hundred seventy-two thousand, five hundred seven".