864954127619 has 2 divisors, whose sum is σ = 864954127620. Its totient is φ = 864954127618.

The previous prime is 864954127559. The next prime is 864954127627. The reversal of 864954127619 is 916721459468.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 864954127619 - 2²⁸ = 864685692163 is a prime.

It is a super-2 number, since 2×864954127619² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (864954127679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 432477063809 + 432477063810.

It is an arithmetic number, because the mean of its divisors is an integer number (432477063810).

Almost surely, 2^864954127619 is an apocalyptic number.

864954127619 is a deficient number, since it is larger than the sum of its proper divisors (1).

864954127619 is an equidigital number, since it uses as much as digits as its factorization.

864954127619 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26127360, while the sum is 62.

The spelling of 864954127619 in words is "eight hundred sixty-four billion, nine hundred fifty-four million, one hundred twenty-seven thousand, six hundred nineteen".