253693611049 has 2 divisors, whose sum is σ = 253693611050. Its totient is φ = 253693611048.

The previous prime is 253693611011. The next prime is 253693611191. The reversal of 253693611049 is 940116396352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 250232053824 + 3461557225 = 500232^2 + 58835^2 .

It is a cyclic number.

It is not a de Polignac number, because 253693611049 - 2³¹ = 251546127401 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 253693610993 and 253693611011.

It is not a weakly prime, because it can be changed into another prime (253693611349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126846805524 + 126846805525.

It is an arithmetic number, because the mean of its divisors is an integer number (126846805525).

Almost surely, 2^253693611049 is an apocalyptic number.

It is an amenable number.

253693611049 is a deficient number, since it is larger than the sum of its proper divisors (1).

253693611049 is an equidigital number, since it uses as much as digits as its factorization.

253693611049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1049760, while the sum is 49.

The spelling of 253693611049 in words is "two hundred fifty-three billion, six hundred ninety-three million, six hundred eleven thousand, forty-nine".