14942862081 has 27 divisors (see below), whose sum is σ = 25112388483. Its totient is φ = 8537311440.

The previous prime is 14942862073. The next prime is 14942862083. The reversal of 14942862081 is 18026824941.

The square root of 14942862081 is 122241.

It is a perfect power (a square), and thus also a powerful number.

14942862081 is a `hidden beast` number, since 1 + 494 + 2 + 86 + 2 + 0 + 81 = 666.

It can be written as a sum of positive squares in only one way, i.e., 12998052081 + 1944810000 = 114009^2 + 44100^2 .

It is not a de Polignac number, because 14942862081 - 2³ = 14942862073 is a prime.

It is a super-2 number, since 2×14942862081² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (14942862083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 2564151 + ... + 2569971.

Almost surely, 2^14942862081 is an apocalyptic number.

14942862081 is the 122241-st square number.

14942862081 is the 61121-st centered octagonal number.

It is an amenable number.

14942862081 is a deficient number, since it is larger than the sum of its proper divisors (10169526402).

14942862081 is an frugal number, since it uses more digits than its factorization.

14942862081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11662 (or 5831 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The spelling of 14942862081 in words is "fourteen billion, nine hundred forty-two million, eight hundred sixty-two thousand, eighty-one".