14061621864 has 64 divisors (see below), whose sum is σ = 35483811840. Its totient is φ = 4643352000.

The previous prime is 14061621857. The next prime is 14061621869. The reversal of 14061621864 is 46812616041.

It is a super-2 number, since 2×14061621864² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (14061621869) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2285977 + ... + 2292119.

It is an arithmetic number, because the mean of its divisors is an integer number (554434560).

Almost surely, 2^14061621864 is an apocalyptic number.

It is an amenable number.

14061621864 is an abundant number, since it is smaller than the sum of its proper divisors (21422189976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14061621864 is a wasteful number, since it uses less digits than its factorization.

14061621864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7030 (or 7026 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 39.

The spelling of 14061621864 in words is "fourteen billion, sixty-one million, six hundred twenty-one thousand, eight hundred sixty-four".