251342161624343 has 2 divisors, whose sum is σ = 251342161624344. Its totient is φ = 251342161624342.

The previous prime is 251342161624259. The next prime is 251342161624373. The reversal of 251342161624343 is 343426161243152.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 251342161624343 - 2¹⁴ = 251342161607959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (251342161624373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125671080812171 + 125671080812172.

It is an arithmetic number, because the mean of its divisors is an integer number (125671080812172).

Almost surely, 2^{251342161624343} is an apocalyptic number.

251342161624343 is a deficient number, since it is larger than the sum of its proper divisors (1).

251342161624343 is an equidigital number, since it uses as much as digits as its factorization.

251342161624343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2488320, while the sum is 47.

The spelling of 251342161624343 in words is "two hundred fifty-one trillion, three hundred forty-two billion, one hundred sixty-one million, six hundred twenty-four thousand, three hundred forty-three".