13257084673 has 4 divisors (see below), whose sum is σ = 15150953920. Its totient is φ = 11363215428.

The previous prime is 13257084667. The next prime is 13257084691. The reversal of 13257084673 is 37648075231.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 37648075231 = 13 ⋅2896005787.

It is a cyclic number.

It is not a de Polignac number, because 13257084673 - 2⁵ = 13257084641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13257064673) 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, 946934613 + ... + 946934626.

It is an arithmetic number, because the mean of its divisors is an integer number (3787738480).

Almost surely, 2^13257084673 is an apocalyptic number.

It is an amenable number.

13257084673 is a deficient number, since it is larger than the sum of its proper divisors (1893869247).

13257084673 is an equidigital number, since it uses as much as digits as its factorization.

13257084673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1893869246.

The product of its (nonzero) digits is 846720, while the sum is 46.

The spelling of 13257084673 in words is "thirteen billion, two hundred fifty-seven million, eighty-four thousand, six hundred seventy-three".