253501444139 has 2 divisors, whose sum is σ = 253501444140. Its totient is φ = 253501444138.

The previous prime is 253501444129. The next prime is 253501444151. The reversal of 253501444139 is 931444105352.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 253501444139 - 2²⁰ = 253500395563 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 253501444096 and 253501444105.

It is not a weakly prime, because it can be changed into another prime (253501444129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126750722069 + 126750722070.

It is an arithmetic number, because the mean of its divisors is an integer number (126750722070).

Almost surely, 2^253501444139 is an apocalyptic number.

253501444139 is a deficient number, since it is larger than the sum of its proper divisors (1).

253501444139 is an equidigital number, since it uses as much as digits as its factorization.

253501444139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 259200, while the sum is 41.

The spelling of 253501444139 in words is "two hundred fifty-three billion, five hundred one million, four hundred forty-four thousand, one hundred thirty-nine".