468787163917 has 2 divisors, whose sum is σ = 468787163918. Its totient is φ = 468787163916.

The previous prime is 468787163903. The next prime is 468787163953. The reversal of 468787163917 is 719361787864.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 244366103556 + 224421060361 = 494334^2 + 473731^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-468787163917 is a prime.

It is a super-2 number, since 2×468787163917² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (468787163017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 234393581958 + 234393581959.

It is an arithmetic number, because the mean of its divisors is an integer number (234393581959).

Almost surely, 2^468787163917 is an apocalyptic number.

It is an amenable number.

468787163917 is a deficient number, since it is larger than the sum of its proper divisors (1).

468787163917 is an equidigital number, since it uses as much as digits as its factorization.

468787163917 is an evil number, because the sum of its binary digits is even.

The product of its digits is 85349376, while the sum is 67.

The spelling of 468787163917 in words is "four hundred sixty-eight billion, seven hundred eighty-seven million, one hundred sixty-three thousand, nine hundred seventeen".