14895421917 has 4 divisors (see below), whose sum is σ = 19860562560. Its totient is φ = 9930281276.

The previous prime is 14895421901. The next prime is 14895421921. The reversal of 14895421917 is 71912459841.

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 14895421917 - 2⁴ = 14895421901 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14895421917.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14895421997) 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, 2482570317 + ... + 2482570322.

It is an arithmetic number, because the mean of its divisors is an integer number (4965140640).

Almost surely, 2^14895421917 is an apocalyptic number.

It is an amenable number.

14895421917 is a deficient number, since it is larger than the sum of its proper divisors (4965140643).

14895421917 is an equidigital number, since it uses as much as digits as its factorization.

14895421917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4965140642.

The product of its digits is 725760, while the sum is 51.

The spelling of 14895421917 in words is "fourteen billion, eight hundred ninety-five million, four hundred twenty-one thousand, nine hundred seventeen".