191829203448954 has 48 divisors (see below), whose sum is σ = 396883704873600. Its totient is φ = 61810147766400.

The previous prime is 191829203448943. The next prime is 191829203448997. The reversal of 191829203448954 is 459844302928191.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13801554 + ... + 23961245.

It is an arithmetic number, because the mean of its divisors is an integer number (8268410518200).

Almost surely, 2^{191829203448954} is an apocalyptic number.

191829203448954 is an abundant number, since it is smaller than the sum of its proper divisors (205054501424646).

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

191829203448954 is a wasteful number, since it uses less digits than its factorization.

191829203448954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37763747 (or 37763716 counting only the distinct ones).

The product of its (nonzero) digits is 179159040, while the sum is 69.

The spelling of 191829203448954 in words is "one hundred ninety-one trillion, eight hundred twenty-nine billion, two hundred three million, four hundred forty-eight thousand, nine hundred fifty-four".