13700665401 has 4 divisors (see below), whose sum is σ = 18267553872. Its totient is φ = 9133776932.

The previous prime is 13700665399. The next prime is 13700665417. The reversal of 13700665401 is 10456600731.

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 a cyclic number.

It is not a de Polignac number, because 13700665401 - 2¹ = 13700665399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13700665801) 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, 2283444231 + ... + 2283444236.

It is an arithmetic number, because the mean of its divisors is an integer number (4566888468).

Almost surely, 2^13700665401 is an apocalyptic number.

It is an amenable number.

13700665401 is a deficient number, since it is larger than the sum of its proper divisors (4566888471).

13700665401 is an equidigital number, since it uses as much as digits as its factorization.

13700665401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4566888470.

The product of its (nonzero) digits is 15120, while the sum is 33.

The spelling of 13700665401 in words is "thirteen billion, seven hundred million, six hundred sixty-five thousand, four hundred one".