49659000961 has 2 divisors, whose sum is σ = 49659000962. Its totient is φ = 49659000960.

The previous prime is 49659000899. The next prime is 49659001001. The reversal of 49659000961 is 16900095694.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42037710961 + 7621290000 = 205031^2 + 87300^2 .

It is a cyclic number.

It is not a de Polignac number, because 49659000961 - 2²¹ = 49656903809 is a prime.

It is a weakly prime.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24829500480 + 24829500481.

It is an arithmetic number, because the mean of its divisors is an integer number (24829500481).

Almost surely, 2^49659000961 is an apocalyptic number.

It is an amenable number.

49659000961 is a deficient number, since it is larger than the sum of its proper divisors (1).

49659000961 is an equidigital number, since it uses as much as digits as its factorization.

49659000961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 524880, while the sum is 49.

The spelling of 49659000961 in words is "forty-nine billion, six hundred fifty-nine million, nine hundred sixty-one", and thus it is an aban number.