13918432350 has 48 divisors (see below), whose sum is σ = 34587072000. Its totient is φ = 3704124000.

The previous prime is 13918432337. The next prime is 13918432351. The reversal of 13918432350 is 5323481931.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 13918432299 and 13918432308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13918432351) 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, 18126 + ... + 167825.

It is an arithmetic number, because the mean of its divisors is an integer number (720564000).

Almost surely, 2^13918432350 is an apocalyptic number.

13918432350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13918432350 is an abundant number, since it is smaller than the sum of its proper divisors (20668639650).

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

13918432350 is a wasteful number, since it uses less digits than its factorization.

13918432350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186465 (or 186460 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 39.

The spelling of 13918432350 in words is "thirteen billion, nine hundred eighteen million, four hundred thirty-two thousand, three hundred fifty".