13918493073078 has 48 divisors (see below), whose sum is σ = 32898659976000. Its totient is φ = 4217673427440.

The previous prime is 13918493073073. The next prime is 13918493073113. The reversal of 13918493073078 is 87037039481931.

13918493073078 is a `hidden beast` number, since 1 + 3 + 9 + 1 + 8 + 493 + 0 + 73 + 0 + 78 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13918493073073) 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, 17659873 + ... + 18431171.

It is an arithmetic number, because the mean of its divisors is an integer number (685388749500).

Almost surely, 2^{13918493073078} is an apocalyptic number.

13918493073078 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

13918493073078 is an abundant number, since it is smaller than the sum of its proper divisors (18980166902922).

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

13918493073078 is a wasteful number, since it uses less digits than its factorization.

13918493073078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 862457 (or 862454 counting only the distinct ones).

The product of its (nonzero) digits is 27433728, while the sum is 63.

The spelling of 13918493073078 in words is "thirteen trillion, nine hundred eighteen billion, four hundred ninety-three million, seventy-three thousand, seventy-eight".