426761355969 has 32 divisors (see below), whose sum is σ = 681360288000. Its totient is φ = 262434349440.

The previous prime is 426761355967. The next prime is 426761356003. The reversal of 426761355969 is 969553167624.

426761355969 is a `hidden beast` number, since 4 + 2 + 6 + 7 + 6 + 1 + 35 + 596 + 9 = 666.

It is not a de Polignac number, because 426761355969 - 2¹ = 426761355967 is a prime.

It is a super-2 number, since 2×426761355969² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (426761355967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56509 + ... + 925589.

It is an arithmetic number, because the mean of its divisors is an integer number (21292509000).

Almost surely, 2^426761355969 is an apocalyptic number.

It is an amenable number.

426761355969 is a deficient number, since it is larger than the sum of its proper divisors (254598932031).

426761355969 is a wasteful number, since it uses less digits than its factorization.

426761355969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870502 (or 870496 counting only the distinct ones).

The product of its digits is 73483200, while the sum is 63.

The spelling of 426761355969 in words is "four hundred twenty-six billion, seven hundred sixty-one million, three hundred fifty-five thousand, nine hundred sixty-nine".