129377199859 has 2 divisors, whose sum is σ = 129377199860. Its totient is φ = 129377199858.

The previous prime is 129377199839. The next prime is 129377199937. The reversal of 129377199859 is 958991773921.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 129377199859 - 2²⁷ = 129242982131 is a prime.

It is not a weakly prime, because it can be changed into another prime (129377199839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64688599929 + 64688599930.

It is an arithmetic number, because the mean of its divisors is an integer number (64688599930).

Almost surely, 2^129377199859 is an apocalyptic number.

129377199859 is a deficient number, since it is larger than the sum of its proper divisors (1).

129377199859 is an equidigital number, since it uses as much as digits as its factorization.

129377199859 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77157360, while the sum is 70.

The spelling of 129377199859 in words is "one hundred twenty-nine billion, three hundred seventy-seven million, one hundred ninety-nine thousand, eight hundred fifty-nine".