251222341463 has 2 divisors, whose sum is σ = 251222341464. Its totient is φ = 251222341462.

The previous prime is 251222341429. The next prime is 251222341537. The reversal of 251222341463 is 364143222152.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 251222341463 - 2²⁶ = 251155232599 is a prime.

It is a super-2 number, since 2×251222341463² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (251222341423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125611170731 + 125611170732.

It is an arithmetic number, because the mean of its divisors is an integer number (125611170732).

Almost surely, 2^251222341463 is an apocalyptic number.

251222341463 is a deficient number, since it is larger than the sum of its proper divisors (1).

251222341463 is an equidigital number, since it uses as much as digits as its factorization.

251222341463 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69120, while the sum is 35.

The spelling of 251222341463 in words is "two hundred fifty-one billion, two hundred twenty-two million, three hundred forty-one thousand, four hundred sixty-three".