253047162671 has 4 divisors (see below), whose sum is σ = 253048449072. Its totient is φ = 253045876272.

The previous prime is 253047162649. The next prime is 253047162721. The reversal of 253047162671 is 176261740352.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-253047162671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253047161671) 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, 279635 + ... + 764388.

It is an arithmetic number, because the mean of its divisors is an integer number (63262112268).

Almost surely, 2^253047162671 is an apocalyptic number.

253047162671 is a deficient number, since it is larger than the sum of its proper divisors (1286401).

253047162671 is a wasteful number, since it uses less digits than its factorization.

253047162671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1286400.

The product of its (nonzero) digits is 423360, while the sum is 44.

The spelling of 253047162671 in words is "two hundred fifty-three billion, forty-seven million, one hundred sixty-two thousand, six hundred seventy-one".