253149672833 has 2 divisors, whose sum is σ = 253149672834. Its totient is φ = 253149672832.

The previous prime is 253149672803. The next prime is 253149672869. The reversal of 253149672833 is 338276941352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 191045045569 + 62104627264 = 437087^2 + 249208^2 .

It is a cyclic number.

It is not a de Polignac number, because 253149672833 - 2⁸ = 253149672577 is a prime.

It is not a weakly prime, because it can be changed into another prime (253149672803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126574836416 + 126574836417.

It is an arithmetic number, because the mean of its divisors is an integer number (126574836417).

Almost surely, 2^253149672833 is an apocalyptic number.

It is an amenable number.

253149672833 is a deficient number, since it is larger than the sum of its proper divisors (1).

253149672833 is an equidigital number, since it uses as much as digits as its factorization.

253149672833 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6531840, while the sum is 53.

The spelling of 253149672833 in words is "two hundred fifty-three billion, one hundred forty-nine million, six hundred seventy-two thousand, eight hundred thirty-three".