254265643613 has 2 divisors, whose sum is σ = 254265643614. Its totient is φ = 254265643612.

The previous prime is 254265643589. The next prime is 254265643627. The reversal of 254265643613 is 316346562452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 214886019364 + 39379624249 = 463558^2 + 198443^2 .

It is a cyclic number.

It is not a de Polignac number, because 254265643613 - 2¹⁴ = 254265627229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (254265643633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127132821806 + 127132821807.

It is an arithmetic number, because the mean of its divisors is an integer number (127132821807).

Almost surely, 2^254265643613 is an apocalyptic number.

It is an amenable number.

254265643613 is a deficient number, since it is larger than the sum of its proper divisors (1).

254265643613 is an equidigital number, since it uses as much as digits as its factorization.

254265643613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3110400, while the sum is 47.

The spelling of 254265643613 in words is "two hundred fifty-four billion, two hundred sixty-five million, six hundred forty-three thousand, six hundred thirteen".