426106121601731 has 2 divisors, whose sum is σ = 426106121601732. Its totient is φ = 426106121601730.

The previous prime is 426106121601613. The next prime is 426106121601733. The reversal of 426106121601731 is 137106121601624.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 426106121601731 - 2¹⁰ = 426106121600707 is a prime.

It is a super-2 number, since 2×426106121601731² (a number of 30 digits) contains 22 as substring.

Together with 426106121601733, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (426106121601733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213053060800865 + 213053060800866.

It is an arithmetic number, because the mean of its divisors is an integer number (213053060800866).

Almost surely, 2^{426106121601731} is an apocalyptic number.

426106121601731 is a deficient number, since it is larger than the sum of its proper divisors (1).

426106121601731 is an equidigital number, since it uses as much as digits as its factorization.

426106121601731 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 41.

The spelling of 426106121601731 in words is "four hundred twenty-six trillion, one hundred six billion, one hundred twenty-one million, six hundred one thousand, seven hundred thirty-one".