10161231049 has 2 divisors, whose sum is σ = 10161231050. Its totient is φ = 10161231048.

The previous prime is 10161231043. The next prime is 10161231089. The reversal of 10161231049 is 94013216101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7834905225 + 2326325824 = 88515^2 + 48232^2 .

It is a cyclic number.

It is not a de Polignac number, because 10161231049 - 2²⁵ = 10127676617 is a prime.

It is not a weakly prime, because it can be changed into another prime (10161231043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5080615524 + 5080615525.

It is an arithmetic number, because the mean of its divisors is an integer number (5080615525).

Almost surely, 2^10161231049 is an apocalyptic number.

It is an amenable number.

10161231049 is a deficient number, since it is larger than the sum of its proper divisors (1).

10161231049 is an equidigital number, since it uses as much as digits as its factorization.

10161231049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 28.

The spelling of 10161231049 in words is "ten billion, one hundred sixty-one million, two hundred thirty-one thousand, forty-nine".