13923627390 has 48 divisors (see below), whose sum is σ = 36264307248. Its totient is φ = 3706518528.

The previous prime is 13923627379. The next prime is 13923627391. The reversal of 13923627390 is 9372632931.

13923627390 is a `hidden beast` number, since 1 + 3 + 9 + 236 + 27 + 390 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13923627391) 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, 82132 + ... + 185991.

It is an arithmetic number, because the mean of its divisors is an integer number (755506401).

Almost surely, 2^13923627390 is an apocalyptic number.

13923627390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13923627390 is an abundant number, since it is smaller than the sum of its proper divisors (22340679858).

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

13923627390 is a wasteful number, since it uses less digits than its factorization.

13923627390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268713 (or 268710 counting only the distinct ones).

The product of its (nonzero) digits is 367416, while the sum is 45.

The spelling of 13923627390 in words is "thirteen billion, nine hundred twenty-three million, six hundred twenty-seven thousand, three hundred ninety".