14774664961 has 4 divisors (see below), whose sum is σ = 16885331392. Its totient is φ = 12663998532.

The previous prime is 14774664943. The next prime is 14774664979. The reversal of 14774664961 is 16946647741.

14774664961 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 an interprime number because it is at equal distance from previous prime (14774664943) and next prime (14774664979).

It is a cyclic number.

It is not a de Polignac number, because 14774664961 - 2²³ = 14766276353 is a prime.

It is a super-2 number, since 2×14774664961² (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 (14774664941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1055333205 + ... + 1055333218.

It is an arithmetic number, because the mean of its divisors is an integer number (4221332848).

Almost surely, 2^14774664961 is an apocalyptic number.

It is an amenable number.

14774664961 is a deficient number, since it is larger than the sum of its proper divisors (2110666431).

14774664961 is an equidigital number, since it uses as much as digits as its factorization.

14774664961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2110666430.

The product of its digits is 6096384, while the sum is 55.

The spelling of 14774664961 in words is "fourteen billion, seven hundred seventy-four million, six hundred sixty-four thousand, nine hundred sixty-one".