193921945104 has 80 divisors (see below), whose sum is σ = 516152178432. Its totient is φ = 62705362944.

The previous prime is 193921945069. The next prime is 193921945117. The reversal of 193921945104 is 401549129391.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125419 + ... + 635274.

Almost surely, 2^193921945104 is an apocalyptic number.

It is an amenable number.

193921945104 is an abundant number, since it is smaller than the sum of its proper divisors (322230233328).

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

193921945104 is a wasteful number, since it uses less digits than its factorization.

193921945104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 760864 (or 760858 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 48.

The spelling of 193921945104 in words is "one hundred ninety-three billion, nine hundred twenty-one million, nine hundred forty-five thousand, one hundred four".