426241252251 has 6 divisors (see below), whose sum is σ = 615681808820. Its totient is φ = 284160834828.

The previous prime is 426241252247. The next prime is 426241252267. The reversal of 426241252251 is 152252142624.

426241252251 is a `hidden beast` number, since 4 + 2 + 624 + 1 + 2 + 5 + 2 + 25 + 1 = 666.

It is not a de Polignac number, because 426241252251 - 2² = 426241252247 is a prime.

It is a super-2 number, since 2×426241252251² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (426241252651) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23680069561 + ... + 23680069578.

Almost surely, 2^426241252251 is an apocalyptic number.

426241252251 is a deficient number, since it is larger than the sum of its proper divisors (189440556569).

426241252251 is a wasteful number, since it uses less digits than its factorization.

426241252251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47360139145 (or 47360139142 counting only the distinct ones).

The product of its digits is 76800, while the sum is 36.

Adding to 426241252251 its reverse (152252142624), we get a palindrome (578493394875).

The spelling of 426241252251 in words is "four hundred twenty-six billion, two hundred forty-one million, two hundred fifty-two thousand, two hundred fifty-one".