253473672405 has 16 divisors (see below), whose sum is σ = 412206367104. Its totient is φ = 132969794880.

The previous prime is 253473672383. The next prime is 253473672409. The reversal of 253473672405 is 504276374352.

It is not a de Polignac number, because 253473672405 - 2⁸ = 253473672149 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253473672409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138509289 + ... + 138511118.

It is an arithmetic number, because the mean of its divisors is an integer number (25762897944).

Almost surely, 2^253473672405 is an apocalyptic number.

It is an amenable number.

253473672405 is a deficient number, since it is larger than the sum of its proper divisors (158732694699).

253473672405 is a wasteful number, since it uses less digits than its factorization.

253473672405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277020476.

The product of its (nonzero) digits is 4233600, while the sum is 48.

The spelling of 253473672405 in words is "two hundred fifty-three billion, four hundred seventy-three million, six hundred seventy-two thousand, four hundred five".