14575331681 has 4 divisors (see below), whose sum is σ = 14576873664. Its totient is φ = 14573789700.

The previous prime is 14575331663. The next prime is 14575331689. The reversal of 14575331681 is 18613357541.

It is a happy number.

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: 18613357541 = 2447 ⋅7606603.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14575331681 is a prime.

It is a super-2 number, since 2×14575331681² (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 (14575331689) 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, 756725 + ... + 775746.

It is an arithmetic number, because the mean of its divisors is an integer number (3644218416).

Almost surely, 2^14575331681 is an apocalyptic number.

It is an amenable number.

14575331681 is a deficient number, since it is larger than the sum of its proper divisors (1541983).

14575331681 is an equidigital number, since it uses as much as digits as its factorization.

14575331681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1541982.

The product of its digits is 302400, while the sum is 44.

The spelling of 14575331681 in words is "fourteen billion, five hundred seventy-five million, three hundred thirty-one thousand, six hundred eighty-one".