426767770721 has 12 divisors (see below), whose sum is σ = 453444403200. Its totient is φ = 401578781760.

The previous prime is 426767770703. The next prime is 426767770733. The reversal of 426767770721 is 127077767624.

It is not a de Polignac number, because 426767770721 - 2¹⁴ = 426767754337 is a prime.

It is a hoax number, since the sum of its digits (56) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (426767770021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1233056 + ... + 1540766.

It is an arithmetic number, because the mean of its divisors is an integer number (37787033600).

Almost surely, 2^426767770721 is an apocalyptic number.

It is an amenable number.

426767770721 is a deficient number, since it is larger than the sum of its proper divisors (26676632479).

426767770721 is a wasteful number, since it uses less digits than its factorization.

426767770721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312544 (or 312527 counting only the distinct ones).

The product of its (nonzero) digits is 9680832, while the sum is 56.

The spelling of 426767770721 in words is "four hundred twenty-six billion, seven hundred sixty-seven million, seven hundred seventy thousand, seven hundred twenty-one".