24634758961 has 2 divisors, whose sum is σ = 24634758962. Its totient is φ = 24634758960.

The previous prime is 24634758937. The next prime is 24634758991. The reversal of 24634758961 is 16985743642.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23568083361 + 1066675600 = 153519^2 + 32660^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-24634758961 is a prime.

It is not a weakly prime, because it can be changed into another prime (24634758991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12317379480 + 12317379481.

It is an arithmetic number, because the mean of its divisors is an integer number (12317379481).

Almost surely, 2^24634758961 is an apocalyptic number.

It is an amenable number.

24634758961 is a deficient number, since it is larger than the sum of its proper divisors (1).

24634758961 is an equidigital number, since it uses as much as digits as its factorization.

24634758961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8709120, while the sum is 55.

The spelling of 24634758961 in words is "twenty-four billion, six hundred thirty-four million, seven hundred fifty-eight thousand, nine hundred sixty-one".