12567400379 has 2 divisors, whose sum is σ = 12567400380. Its totient is φ = 12567400378.

The previous prime is 12567400361. The next prime is 12567400421. The reversal of 12567400379 is 97300476521.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12567400379 is a prime.

It is not a weakly prime, because it can be changed into another prime (12567400309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6283700189 + 6283700190.

It is an arithmetic number, because the mean of its divisors is an integer number (6283700190).

Almost surely, 2^12567400379 is an apocalyptic number.

12567400379 is a deficient number, since it is larger than the sum of its proper divisors (1).

12567400379 is an equidigital number, since it uses as much as digits as its factorization.

12567400379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 317520, while the sum is 44.

The spelling of 12567400379 in words is "twelve billion, five hundred sixty-seven million, four hundred thousand, three hundred seventy-nine".