253047162649 has 2 divisors, whose sum is σ = 253047162650. Its totient is φ = 253047162648.

The previous prime is 253047162617. The next prime is 253047162721. The reversal of 253047162649 is 946261740352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 188622570249 + 64424592400 = 434307^2 + 253820^2 .

It is a cyclic number.

It is not a de Polignac number, because 253047162649 - 2⁵ = 253047162617 is a prime.

It is not a weakly prime, because it can be changed into another prime (253047162749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126523581324 + 126523581325.

It is an arithmetic number, because the mean of its divisors is an integer number (126523581325).

Almost surely, 2^253047162649 is an apocalyptic number.

It is an amenable number.

253047162649 is a deficient number, since it is larger than the sum of its proper divisors (1).

253047162649 is an equidigital number, since it uses as much as digits as its factorization.

253047162649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2177280, while the sum is 49.

The spelling of 253047162649 in words is "two hundred fifty-three billion, forty-seven million, one hundred sixty-two thousand, six hundred forty-nine".