426642790129 has 16 divisors (see below), whose sum is σ = 456957144000. Its totient is φ = 397121814720.

The previous prime is 426642790117. The next prime is 426642790153. The reversal of 426642790129 is 921097246624.

It is a cyclic number.

It is not a de Polignac number, because 426642790129 - 2⁵ = 426642790097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (426642790199) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1983927 + ... + 2188435.

It is an arithmetic number, because the mean of its divisors is an integer number (28559821500).

Almost surely, 2^426642790129 is an apocalyptic number.

It is an amenable number.

426642790129 is a deficient number, since it is larger than the sum of its proper divisors (30314353871).

426642790129 is a wasteful number, since it uses less digits than its factorization.

426642790129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206448.

The product of its (nonzero) digits is 2612736, while the sum is 52.

The spelling of 426642790129 in words is "four hundred twenty-six billion, six hundred forty-two million, seven hundred ninety thousand, one hundred twenty-nine".