30573091892 has 24 divisors (see below), whose sum is σ = 63254674560. Its totient is φ = 12650934240.

The previous prime is 30573091867. The next prime is 30573091931. The reversal of 30573091892 is 29819037503.

It is a super-2 number, since 2×30573091892² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18824984 + ... + 18826607.

It is an arithmetic number, because the mean of its divisors is an integer number (2635611440).

Almost surely, 2^30573091892 is an apocalyptic number.

It is an amenable number.

30573091892 is an abundant number, since it is smaller than the sum of its proper divisors (32681582668).

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

30573091892 is a wasteful number, since it uses less digits than its factorization.

30573091892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37651631 (or 37651629 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 47.

The spelling of 30573091892 in words is "thirty billion, five hundred seventy-three million, ninety-one thousand, eight hundred ninety-two".