24620967257 has 2 divisors, whose sum is σ = 24620967258. Its totient is φ = 24620967256.

The previous prime is 24620967233. The next prime is 24620967311. The reversal of 24620967257 is 75276902642.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24617296201 + 3671056 = 156899^2 + 1916^2 .

It is a cyclic number.

It is not a de Polignac number, because 24620967257 - 2¹⁰ = 24620966233 is a prime.

It is a super-2 number, since 2×24620967257² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (24620967857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12310483628 + 12310483629.

It is an arithmetic number, because the mean of its divisors is an integer number (12310483629).

Almost surely, 2^24620967257 is an apocalyptic number.

It is an amenable number.

24620967257 is a deficient number, since it is larger than the sum of its proper divisors (1).

24620967257 is an equidigital number, since it uses as much as digits as its factorization.

24620967257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2540160, while the sum is 50.

The spelling of 24620967257 in words is "twenty-four billion, six hundred twenty million, nine hundred sixty-seven thousand, two hundred fifty-seven".