31264877846249 has 2 divisors, whose sum is σ = 31264877846250. Its totient is φ = 31264877846248.

The previous prime is 31264877846201. The next prime is 31264877846261. The reversal of 31264877846249 is 94264877846213.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31255255609600 + 9622236649 = 5590640^2 + 98093^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31264877846249 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (31264877846549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15632438923124 + 15632438923125.

It is an arithmetic number, because the mean of its divisors is an integer number (15632438923125).

Almost surely, 2^{31264877846249} is an apocalyptic number.

It is an amenable number.

31264877846249 is a deficient number, since it is larger than the sum of its proper divisors (1).

31264877846249 is an equidigital number, since it uses as much as digits as its factorization.

31264877846249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 780337152, while the sum is 71.

The spelling of 31264877846249 in words is "thirty-one trillion, two hundred sixty-four billion, eight hundred seventy-seven million, eight hundred forty-six thousand, two hundred forty-nine".