254280249739 has 2 divisors, whose sum is σ = 254280249740. Its totient is φ = 254280249738.

The previous prime is 254280249679. The next prime is 254280249749. The reversal of 254280249739 is 937942082452.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 254280249739 - 2²⁷ = 254146032011 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 254280249739.

It is not a weakly prime, because it can be changed into another prime (254280249749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127140124869 + 127140124870.

It is an arithmetic number, because the mean of its divisors is an integer number (127140124870).

Almost surely, 2^254280249739 is an apocalyptic number.

254280249739 is a deficient number, since it is larger than the sum of its proper divisors (1).

254280249739 is an equidigital number, since it uses as much as digits as its factorization.

254280249739 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8709120, while the sum is 55.

The spelling of 254280249739 in words is "two hundred fifty-four billion, two hundred eighty million, two hundred forty-nine thousand, seven hundred thirty-nine".