14954921478 has 48 divisors (see below), whose sum is σ = 37038034176. Its totient is φ = 4272050160.

The previous prime is 14954921477. The next prime is 14954921483. The reversal of 14954921478 is 87412945941.

14954921478 is a `hidden beast` number, since 1 + 4 + 9 + 5 + 492 + 147 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14954921477) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1337973 + ... + 1349103.

It is an arithmetic number, because the mean of its divisors is an integer number (771625712).

Almost surely, 2^14954921478 is an apocalyptic number.

14954921478 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

14954921478 is an abundant number, since it is smaller than the sum of its proper divisors (22083112698).

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

14954921478 is a wasteful number, since it uses less digits than its factorization.

14954921478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21809 (or 21806 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 54.

The spelling of 14954921478 in words is "fourteen billion, nine hundred fifty-four million, nine hundred twenty-one thousand, four hundred seventy-eight".