250968049505 has 4 divisors (see below), whose sum is σ = 301161659412. Its totient is φ = 200774439600.

The previous prime is 250968049483. The next prime is 250968049511. The reversal of 250968049505 is 505940869052.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 88746793216 + 162221256289 = 297904^2 + 402767^2 .

It is not a de Polignac number, because 250968049505 - 2⁸ = 250968049249 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25096804946 + ... + 25096804955.

It is an arithmetic number, because the mean of its divisors is an integer number (75290414853).

Almost surely, 2^250968049505 is an apocalyptic number.

It is an amenable number.

250968049505 is a deficient number, since it is larger than the sum of its proper divisors (50193609907).

250968049505 is an equidigital number, since it uses as much as digits as its factorization.

250968049505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50193609906.

The product of its (nonzero) digits is 3888000, while the sum is 53.

The spelling of 250968049505 in words is "two hundred fifty billion, nine hundred sixty-eight million, forty-nine thousand, five hundred five".