426220553431 has 4 divisors (see below), whose sum is σ = 426222555664. Its totient is φ = 426218551200.

The previous prime is 426220553417. The next prime is 426220553467. The reversal of 426220553431 is 134355022624.

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 426220553431 - 2⁷ = 426220553303 is a prime.

It is a super-2 number, since 2×426220553431² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426220557431) 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, 637875 + ... + 1122196.

It is an arithmetic number, because the mean of its divisors is an integer number (106555638916).

Almost surely, 2^426220553431 is an apocalyptic number.

426220553431 is a deficient number, since it is larger than the sum of its proper divisors (2002233).

426220553431 is a wasteful number, since it uses less digits than its factorization.

426220553431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2002232.

The product of its (nonzero) digits is 172800, while the sum is 37.

The spelling of 426220553431 in words is "four hundred twenty-six billion, two hundred twenty million, five hundred fifty-three thousand, four hundred thirty-one".