253461146839 has 4 divisors (see below), whose sum is σ = 253476568456. Its totient is φ = 253445725224.

The previous prime is 253461146777. The next prime is 253461146857. The reversal of 253461146839 is 938641164352.

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

It is a cyclic number.

It is not a de Polignac number, because 253461146839 - 2¹⁷ = 253461015767 is a prime.

It is a super-2 number, since 2×253461146839² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253461143839) 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, 7686129 + ... + 7719034.

It is an arithmetic number, because the mean of its divisors is an integer number (63369142114).

Almost surely, 2^253461146839 is an apocalyptic number.

253461146839 is a deficient number, since it is larger than the sum of its proper divisors (15421617).

253461146839 is a wasteful number, since it uses less digits than its factorization.

253461146839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15421616.

The product of its digits is 3732480, while the sum is 52.

The spelling of 253461146839 in words is "two hundred fifty-three billion, four hundred sixty-one million, one hundred forty-six thousand, eight hundred thirty-nine".