129279896951 has 2 divisors, whose sum is σ = 129279896952. Its totient is φ = 129279896950.

The previous prime is 129279896927. The next prime is 129279896981. The reversal of 129279896951 is 159698972921.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 129279896951 - 2¹⁴ = 129279880567 is a prime.

It is a super-2 number, since 2×129279896951² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (129279896981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64639948475 + 64639948476.

It is an arithmetic number, because the mean of its divisors is an integer number (64639948476).

Almost surely, 2^129279896951 is an apocalyptic number.

129279896951 is a deficient number, since it is larger than the sum of its proper divisors (1).

129279896951 is an equidigital number, since it uses as much as digits as its factorization.

129279896951 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 44089920, while the sum is 68.

The spelling of 129279896951 in words is "one hundred twenty-nine billion, two hundred seventy-nine million, eight hundred ninety-six thousand, nine hundred fifty-one".