250965235949 has 2 divisors, whose sum is σ = 250965235950. Its totient is φ = 250965235948.

The previous prime is 250965235919. The next prime is 250965235957. The reversal of 250965235949 is 949532569052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 224382216100 + 26583019849 = 473690^2 + 163043^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-250965235949 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (250965235919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125482617974 + 125482617975.

It is an arithmetic number, because the mean of its divisors is an integer number (125482617975).

Almost surely, 2^250965235949 is an apocalyptic number.

It is an amenable number.

250965235949 is a deficient number, since it is larger than the sum of its proper divisors (1).

250965235949 is an equidigital number, since it uses as much as digits as its factorization.

250965235949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26244000, while the sum is 59.

The spelling of 250965235949 in words is "two hundred fifty billion, nine hundred sixty-five million, two hundred thirty-five thousand, nine hundred forty-nine".