253905900411 has 4 divisors (see below), whose sum is σ = 338541200552. Its totient is φ = 169270600272.

The previous prime is 253905900403. The next prime is 253905900439. The reversal of 253905900411 is 114009509352.

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

It is not a de Polignac number, because 253905900411 - 2³ = 253905900403 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 253905900411.

It is not an unprimeable number, because it can be changed into a prime (253905900401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42317650066 + ... + 42317650071.

It is an arithmetic number, because the mean of its divisors is an integer number (84635300138).

Almost surely, 2^253905900411 is an apocalyptic number.

253905900411 is a deficient number, since it is larger than the sum of its proper divisors (84635300141).

253905900411 is an equidigital number, since it uses as much as digits as its factorization.

253905900411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84635300140.

The product of its (nonzero) digits is 48600, while the sum is 39.

The spelling of 253905900411 in words is "two hundred fifty-three billion, nine hundred five million, nine hundred thousand, four hundred eleven".