13953738380 has 24 divisors (see below), whose sum is σ = 31026548448. Its totient is φ = 5253171968.

The previous prime is 13953738347. The next prime is 13953738389. The reversal of 13953738380 is 8383735931.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (13953738389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20519864 + ... + 20520543.

It is an arithmetic number, because the mean of its divisors is an integer number (1292772852).

Almost surely, 2^13953738380 is an apocalyptic number.

13953738380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13953738380 is an abundant number, since it is smaller than the sum of its proper divisors (17072810068).

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

13953738380 is a wasteful number, since it uses less digits than its factorization.

13953738380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41040433 (or 41040431 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 50.

The spelling of 13953738380 in words is "thirteen billion, nine hundred fifty-three million, seven hundred thirty-eight thousand, three hundred eighty".