14689790641 has 4 divisors (see below), whose sum is σ = 14827078512. Its totient is φ = 14552502772.

The previous prime is 14689790623. The next prime is 14689790659. The reversal of 14689790641 is 14609798641.

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: 14609798641 = 120871².

It is an interprime number because it is at equal distance from previous prime (14689790623) and next prime (14689790659).

It is a cyclic number.

It is not a de Polignac number, because 14689790641 - 2²³ = 14681402033 is a prime.

It is a super-2 number, since 2×14689790641² (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 (14689790341) 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, 68643775 + ... + 68643988.

It is an arithmetic number, because the mean of its divisors is an integer number (3706769628).

Almost surely, 2^14689790641 is an apocalyptic number.

It is an amenable number.

14689790641 is a deficient number, since it is larger than the sum of its proper divisors (137287871).

14689790641 is a wasteful number, since it uses less digits than its factorization.

14689790641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137287870.

The product of its (nonzero) digits is 2612736, while the sum is 55.

The spelling of 14689790641 in words is "fourteen billion, six hundred eighty-nine million, seven hundred ninety thousand, six hundred forty-one".