5215778719 has 2 divisors, whose sum is σ = 5215778720. Its totient is φ = 5215778718.

The previous prime is 5215778699. The next prime is 5215778759. The reversal of 5215778719 is 9178775125.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5215778719 - 2⁷ = 5215778591 is a prime.

It is a super-2 number, since 2×5215778719² = 54408695291146561922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5215778759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2607889359 + 2607889360.

It is an arithmetic number, because the mean of its divisors is an integer number (2607889360).

Almost surely, 2^5215778719 is an apocalyptic number.

5215778719 is a deficient number, since it is larger than the sum of its proper divisors (1).

5215778719 is an equidigital number, since it uses as much as digits as its factorization.

5215778719 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1234800, while the sum is 52.

The square root of 5215778719 is about 72220.3483721866. The cubic root of 5215778719 is about 1734.2287673431.

The spelling of 5215778719 in words is "five billion, two hundred fifteen million, seven hundred seventy-eight thousand, seven hundred nineteen".