13918649201 has 4 divisors (see below), whose sum is σ = 14028244992. Its totient is φ = 13809053412.

The previous prime is 13918649191. The next prime is 13918649221. The reversal of 13918649201 is 10294681931.

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: 10294681931 = 10357 ⋅993983.

It is a cyclic number.

It is not a de Polignac number, because 13918649201 - 2²⁶ = 13851540337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13918649221) 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, 54797705 + ... + 54797958.

It is an arithmetic number, because the mean of its divisors is an integer number (3507061248).

Almost surely, 2^13918649201 is an apocalyptic number.

It is an amenable number.

13918649201 is a deficient number, since it is larger than the sum of its proper divisors (109595791).

13918649201 is a wasteful number, since it uses less digits than its factorization.

13918649201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109595790.

The product of its (nonzero) digits is 93312, while the sum is 44.

The spelling of 13918649201 in words is "thirteen billion, nine hundred eighteen million, six hundred forty-nine thousand, two hundred one".