13550331199 has 4 divisors (see below), whose sum is σ = 13649238864. Its totient is φ = 13451423536.

The previous prime is 13550331181. The next prime is 13550331247. The reversal of 13550331199 is 99113305531.

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 13550331199 - 2²³ = 13541942591 is a prime.

It is a super-2 number, since 2×13550331199² (a number of 21 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 (13550331149) 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, 49453627 + ... + 49453900.

It is an arithmetic number, because the mean of its divisors is an integer number (3412309716).

Almost surely, 2^13550331199 is an apocalyptic number.

13550331199 is a deficient number, since it is larger than the sum of its proper divisors (98907665).

13550331199 is an equidigital number, since it uses as much as digits as its factorization.

13550331199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98907664.

The product of its (nonzero) digits is 54675, while the sum is 40.

The spelling of 13550331199 in words is "thirteen billion, five hundred fifty million, three hundred thirty-one thousand, one hundred ninety-nine".