79458546919 has 2 divisors, whose sum is σ = 79458546920. Its totient is φ = 79458546918.

The previous prime is 79458546863. The next prime is 79458546971. The reversal of 79458546919 is 91964585497.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 79458546919 - 2¹⁵ = 79458514151 is a prime.

It is a super-2 number, since 2×79458546919² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79458546319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39729273459 + 39729273460.

It is an arithmetic number, because the mean of its divisors is an integer number (39729273460).

Almost surely, 2^79458546919 is an apocalyptic number.

79458546919 is a deficient number, since it is larger than the sum of its proper divisors (1).

79458546919 is an equidigital number, since it uses as much as digits as its factorization.

79458546919 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 97977600, while the sum is 67.

The spelling of 79458546919 in words is "seventy-nine billion, four hundred fifty-eight million, five hundred forty-six thousand, nine hundred nineteen".