253100366849 has 36 divisors (see below), whose sum is σ = 288741781188. Its totient is φ = 221647345920.

The previous prime is 253100366837. The next prime is 253100366851. The reversal of 253100366849 is 948663001352.

It can be written as a sum of positive squares in 2 ways, for example, as 205759310449 + 47341056400 = 453607^2 + 217580^2 .

It is a de Polignac number, because none of the positive numbers 2^k-253100366849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253100366749) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 16324469 + ... + 16339965.

It is an arithmetic number, because the mean of its divisors is an integer number (8020605033).

Almost surely, 2^253100366849 is an apocalyptic number.

It is an amenable number.

253100366849 is a deficient number, since it is larger than the sum of its proper divisors (35641414339).

253100366849 is a wasteful number, since it uses less digits than its factorization.

253100366849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15678 (or 15624 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 47.

The spelling of 253100366849 in words is "two hundred fifty-three billion, one hundred million, three hundred sixty-six thousand, eight hundred forty-nine".