193090449228 has 24 divisors (see below), whose sum is σ = 450551592960. Its totient is φ = 64362452880.

The previous prime is 193090449217. The next prime is 193090449259. The reversal of 193090449228 is 822944090391.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1203613 + ... + 1354571.

It is an arithmetic number, because the mean of its divisors is an integer number (18772983040).

Almost surely, 2^193090449228 is an apocalyptic number.

It is an amenable number.

193090449228 is an abundant number, since it is smaller than the sum of its proper divisors (257461143732).

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

193090449228 is a wasteful number, since it uses less digits than its factorization.

193090449228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257557 (or 257555 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 51.

The spelling of 193090449228 in words is "one hundred ninety-three billion, ninety million, four hundred forty-nine thousand, two hundred twenty-eight".