13368327537 has 4 divisors (see below), whose sum is σ = 17824436720. Its totient is φ = 8912218356.

The previous prime is 13368327499. The next prime is 13368327541. The reversal of 13368327537 is 73572386331.

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 not a de Polignac number, because 13368327537 - 2⁷ = 13368327409 is a prime.

It is a super-2 number, since 2×13368327537² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13368327337) 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, 2228054587 + ... + 2228054592.

It is an arithmetic number, because the mean of its divisors is an integer number (4456109180).

Almost surely, 2^13368327537 is an apocalyptic number.

It is an amenable number.

13368327537 is a deficient number, since it is larger than the sum of its proper divisors (4456109183).

13368327537 is an equidigital number, since it uses as much as digits as its factorization.

13368327537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4456109182.

The product of its digits is 1905120, while the sum is 48.

The spelling of 13368327537 in words is "thirteen billion, three hundred sixty-eight million, three hundred twenty-seven thousand, five hundred thirty-seven".