14546889470920 has 16 divisors (see below), whose sum is σ = 32730501309660. Its totient is φ = 5818755788352.

The previous prime is 14546889470909. The next prime is 14546889470921. The reversal of 14546889470920 is 2907498864541.

It can be written as a sum of positive squares in 2 ways, for example, as 13793038354404 + 753851116516 = 3713898^2 + 868246^2 .

It is a super-2 number, since 2×14546889470920² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (14546889470921) 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, 181836118347 + ... + 181836118426.

Almost surely, 2^{14546889470920} is an apocalyptic number.

14546889470920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14546889470920 is an abundant number, since it is smaller than the sum of its proper divisors (18183611838740).

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

14546889470920 is a wasteful number, since it uses less digits than its factorization.

14546889470920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363672236784 (or 363672236780 counting only the distinct ones).

The product of its (nonzero) digits is 139345920, while the sum is 67.

The spelling of 14546889470920 in words is "fourteen trillion, five hundred forty-six billion, eight hundred eighty-nine million, four hundred seventy thousand, nine hundred twenty".