25163130952019 has 2 divisors, whose sum is σ = 25163130952020. Its totient is φ = 25163130952018.

The previous prime is 25163130952013. The next prime is 25163130952081. The reversal of 25163130952019 is 91025903136152.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25163130952019 is a prime.

It is a super-2 number, since 2×25163130952019² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (25163130952013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12581565476009 + 12581565476010.

It is an arithmetic number, because the mean of its divisors is an integer number (12581565476010).

Almost surely, 2^{25163130952019} is an apocalyptic number.

25163130952019 is a deficient number, since it is larger than the sum of its proper divisors (1).

25163130952019 is an equidigital number, since it uses as much as digits as its factorization.

25163130952019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 437400, while the sum is 47.

The spelling of 25163130952019 in words is "twenty-five trillion, one hundred sixty-three billion, one hundred thirty million, nine hundred fifty-two thousand, nineteen".