13905173950 has 24 divisors (see below), whose sum is σ = 25890025968. Its totient is φ = 5556391680.

The previous prime is 13905173939. The next prime is 13905173999. The reversal of 13905173950 is 5937150931.

It is a junction number, because it is equal to n+sod(n) for n = 13905173897 and 13905173906.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 92307 + ... + 190606.

It is an arithmetic number, because the mean of its divisors is an integer number (1078751082).

Almost surely, 2^13905173950 is an apocalyptic number.

13905173950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13905173950 is a deficient number, since it is larger than the sum of its proper divisors (11984852018).

13905173950 is a wasteful number, since it uses less digits than its factorization.

13905173950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283908 (or 283903 counting only the distinct ones).

The product of its (nonzero) digits is 127575, while the sum is 43.

The spelling of 13905173950 in words is "thirteen billion, nine hundred five million, one hundred seventy-three thousand, nine hundred fifty".