19231645452163 has 2 divisors, whose sum is σ = 19231645452164. Its totient is φ = 19231645452162.

The previous prime is 19231645452073. The next prime is 19231645452197. The reversal of 19231645452163 is 36125454613291.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 19231645452163 - 2³⁷ = 19094206498691 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 19231645452163.

It is not a weakly prime, because it can be changed into another prime (19231645452263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9615822726081 + 9615822726082.

It is an arithmetic number, because the mean of its divisors is an integer number (9615822726082).

Almost surely, 2^{19231645452163} is an apocalyptic number.

19231645452163 is a deficient number, since it is larger than the sum of its proper divisors (1).

19231645452163 is an equidigital number, since it uses as much as digits as its factorization.

19231645452163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4665600, while the sum is 52.

The spelling of 19231645452163 in words is "nineteen trillion, two hundred thirty-one billion, six hundred forty-five million, four hundred fifty-two thousand, one hundred sixty-three".