11969374579 has 2 divisors, whose sum is σ = 11969374580. Its totient is φ = 11969374578.

The previous prime is 11969374561. The next prime is 11969374583. The reversal of 11969374579 is 97547396911.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11969374579 - 2¹¹ = 11969372531 is a prime.

It is a super-2 number, since 2×11969374579² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11969374379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5984687289 + 5984687290.

It is an arithmetic number, because the mean of its divisors is an integer number (5984687290).

Almost surely, 2^11969374579 is an apocalyptic number.

11969374579 is a deficient number, since it is larger than the sum of its proper divisors (1).

11969374579 is an equidigital number, since it uses as much as digits as its factorization.

11969374579 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12859560, while the sum is 61.

The spelling of 11969374579 in words is "eleven billion, nine hundred sixty-nine million, three hundred seventy-four thousand, five hundred seventy-nine".