193016389492 has 12 divisors (see below), whose sum is σ = 345634000096. Its totient is φ = 94263818040.

The previous prime is 193016389469. The next prime is 193016389513. The reversal of 193016389492 is 294983610391.

It is a happy number.

It is a super-2 number, since 2×193016389492² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 561093984 + ... + 561094327.

Almost surely, 2^193016389492 is an apocalyptic number.

It is an amenable number.

193016389492 is a deficient number, since it is larger than the sum of its proper divisors (152617610604).

193016389492 is a wasteful number, since it uses less digits than its factorization.

193016389492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122188358 (or 1122188356 counting only the distinct ones).

The product of its (nonzero) digits is 2519424, while the sum is 55.

The spelling of 193016389492 in words is "one hundred ninety-three billion, sixteen million, three hundred eighty-nine thousand, four hundred ninety-two".