13974898428 has 36 divisors (see below), whose sum is σ = 35329851648. Its totient is φ = 4657717440.

The previous prime is 13974898423. The next prime is 13974898429. The reversal of 13974898428 is 82489847931.

13974898428 is a `hidden beast` number, since 139 + 74 + 8 + 9 + 8 + 428 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13974898423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 344800 + ... + 383192.

It is an arithmetic number, because the mean of its divisors is an integer number (981384768).

Almost surely, 2^13974898428 is an apocalyptic number.

13974898428 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

13974898428 is an abundant number, since it is smaller than the sum of its proper divisors (21354953220).

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

13974898428 is a wasteful number, since it uses less digits than its factorization.

13974898428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48514 (or 48509 counting only the distinct ones).

The product of its digits is 27869184, while the sum is 63.

The spelling of 13974898428 in words is "thirteen billion, nine hundred seventy-four million, eight hundred ninety-eight thousand, four hundred twenty-eight".