254740407659 has 2 divisors, whose sum is σ = 254740407660. Its totient is φ = 254740407658.

The previous prime is 254740407643. The next prime is 254740407667. The reversal of 254740407659 is 956704047452.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 254740407659 - 2⁴ = 254740407643 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 254740407659.

It is not a weakly prime, because it can be changed into another prime (254740407959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127370203829 + 127370203830.

It is an arithmetic number, because the mean of its divisors is an integer number (127370203830).

Almost surely, 2^254740407659 is an apocalyptic number.

254740407659 is a deficient number, since it is larger than the sum of its proper divisors (1).

254740407659 is an equidigital number, since it uses as much as digits as its factorization.

254740407659 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8467200, while the sum is 53.

The spelling of 254740407659 in words is "two hundred fifty-four billion, seven hundred forty million, four hundred seven thousand, six hundred fifty-nine".