251144143463 has 2 divisors, whose sum is σ = 251144143464. Its totient is φ = 251144143462.

The previous prime is 251144143403. The next prime is 251144143477. The reversal of 251144143463 is 364341441152.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 251144143463 - 2¹⁰ = 251144142439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (251144143403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125572071731 + 125572071732.

It is an arithmetic number, because the mean of its divisors is an integer number (125572071732).

Almost surely, 2^251144143463 is an apocalyptic number.

251144143463 is a deficient number, since it is larger than the sum of its proper divisors (1).

251144143463 is an equidigital number, since it uses as much as digits as its factorization.

251144143463 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 138240, while the sum is 38.

The spelling of 251144143463 in words is "two hundred fifty-one billion, one hundred forty-four million, one hundred forty-three thousand, four hundred sixty-three".