426535106520131 has 4 divisors (see below), whose sum is σ = 487468693165872. Its totient is φ = 365601519874392.

The previous prime is 426535106520113. The next prime is 426535106520137. The reversal of 426535106520131 is 131025601535624.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 426535106520131 - 2³⁸ = 426260228613187 is a prime.

It is a super-2 number, since 2×426535106520131² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (426535106520137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30466793322860 + ... + 30466793322873.

It is an arithmetic number, because the mean of its divisors is an integer number (121867173291468).

Almost surely, 2^{426535106520131} is an apocalyptic number.

426535106520131 is a deficient number, since it is larger than the sum of its proper divisors (60933586645741).

426535106520131 is an equidigital number, since it uses as much as digits as its factorization.

426535106520131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60933586645740.

The product of its (nonzero) digits is 648000, while the sum is 44.

The spelling of 426535106520131 in words is "four hundred twenty-six trillion, five hundred thirty-five billion, one hundred six million, five hundred twenty thousand, one hundred thirty-one".