426263626293 has 4 divisors (see below), whose sum is σ = 568351501728. Its totient is φ = 284175750860.

The previous prime is 426263626277. The next prime is 426263626307. The reversal of 426263626293 is 392626362624.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 426263626293 - 2⁴ = 426263626277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426263626213) 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, 71043937713 + ... + 71043937718.

It is an arithmetic number, because the mean of its divisors is an integer number (142087875432).

Almost surely, 2^426263626293 is an apocalyptic number.

It is an amenable number.

426263626293 is a deficient number, since it is larger than the sum of its proper divisors (142087875435).

426263626293 is a wasteful number, since it uses less digits than its factorization.

426263626293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142087875434.

The product of its digits is 6718464, while the sum is 51.

The spelling of 426263626293 in words is "four hundred twenty-six billion, two hundred sixty-three million, six hundred twenty-six thousand, two hundred ninety-three".