12577826019 has 16 divisors (see below), whose sum is σ = 18389821824. Its totient is φ = 7583424000.

The previous prime is 12577825999. The next prime is 12577826047. The reversal of 12577826019 is 91062877521.

It is not a de Polignac number, because 12577826019 - 2⁵ = 12577825987 is a prime.

It is a super-2 number, since 2×12577826019² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12577826099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 981057 + ... + 993794.

It is an arithmetic number, because the mean of its divisors is an integer number (1149363864).

Almost surely, 2^12577826019 is an apocalyptic number.

12577826019 is a deficient number, since it is larger than the sum of its proper divisors (5811995805).

12577826019 is a wasteful number, since it uses less digits than its factorization.

12577826019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1975058.

The product of its (nonzero) digits is 423360, while the sum is 48.

The spelling of 12577826019 in words is "twelve billion, five hundred seventy-seven million, eight hundred twenty-six thousand, nineteen".