13992045087 has 4 divisors (see below), whose sum is σ = 18656060120. Its totient is φ = 9328030056.

The previous prime is 13992045059. The next prime is 13992045091. The reversal of 13992045087 is 78054029931.

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

It is not a de Polignac number, because 13992045087 - 2¹⁰ = 13992044063 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 (13992041087) 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, 2332007512 + ... + 2332007517.

It is an arithmetic number, because the mean of its divisors is an integer number (4664015030).

Almost surely, 2^13992045087 is an apocalyptic number.

13992045087 is a deficient number, since it is larger than the sum of its proper divisors (4664015033).

13992045087 is an equidigital number, since it uses as much as digits as its factorization.

13992045087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4664015032.

The product of its (nonzero) digits is 544320, while the sum is 48.

The spelling of 13992045087 in words is "thirteen billion, nine hundred ninety-two million, forty-five thousand, eighty-seven".