13071893761 has 4 divisors (see below), whose sum is σ = 13640236992. Its totient is φ = 12503550532.

The previous prime is 13071893749. The next prime is 13071893773. The reversal of 13071893761 is 16739817031.

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.

It is an interprime number because it is at equal distance from previous prime (13071893749) and next prime (13071893773).

It is a cyclic number.

It is not a de Polignac number, because 13071893761 - 2¹³ = 13071885569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13071891761) 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, 284171581 + ... + 284171626.

It is an arithmetic number, because the mean of its divisors is an integer number (3410059248).

Almost surely, 2^13071893761 is an apocalyptic number.

It is an amenable number.

13071893761 is a deficient number, since it is larger than the sum of its proper divisors (568343231).

13071893761 is an equidigital number, since it uses as much as digits as its factorization.

13071893761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568343230.

The product of its (nonzero) digits is 190512, while the sum is 46.

The spelling of 13071893761 in words is "thirteen billion, seventy-one million, eight hundred ninety-three thousand, seven hundred sixty-one".