13898476530 has 80 divisors (see below), whose sum is σ = 37420087320. Its totient is φ = 3701438208.

The previous prime is 13898476523. The next prime is 13898476567. The reversal of 13898476530 is 3567489831.

13898476530 is a `hidden beast` number, since 1 + 38 + 9 + 8 + 4 + 76 + 530 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 8739071289 + 5159405241 = 93483^2 + 71829^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 634806 + ... + 656334.

Almost surely, 2^13898476530 is an apocalyptic number.

13898476530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13898476530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18710043660).

13898476530 is an abundant number, since it is smaller than the sum of its proper divisors (23521610790).

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

13898476530 is a wasteful number, since it uses less digits than its factorization.

13898476530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22345 (or 22336 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 54.

The spelling of 13898476530 in words is "thirteen billion, eight hundred ninety-eight million, four hundred seventy-six thousand, five hundred thirty".