103809805974 has 48 divisors (see below), whose sum is σ = 257119799040. Its totient is φ = 29652220080.

The previous prime is 103809805973. The next prime is 103809805993. The reversal of 103809805974 is 479508908301.

103809805974 is a `hidden beast` number, since 10 + 38 + 0 + 9 + 8 + 0 + 597 + 4 = 666.

103809805974 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 103809805974.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103809805973) 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, 387457 + ... + 598115.

It is an arithmetic number, because the mean of its divisors is an integer number (5356662480).

Almost surely, 2^103809805974 is an apocalyptic number.

103809805974 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

103809805974 is an abundant number, since it is smaller than the sum of its proper divisors (153309993066).

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

103809805974 is a wasteful number, since it uses less digits than its factorization.

103809805974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214585 (or 214582 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 54.

The spelling of 103809805974 in words is "one hundred three billion, eight hundred nine million, eight hundred five thousand, nine hundred seventy-four".