30791500773 has 12 divisors (see below), whose sum is σ = 45126938304. Its totient is φ = 18661515400.

The previous prime is 30791500721. The next prime is 30791500777. The reversal of 30791500773 is 37700519703.

It is not a de Polignac number, because 30791500773 - 2¹⁸ = 30791238629 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30791500777) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 42412173 + ... + 42412898.

It is an arithmetic number, because the mean of its divisors is an integer number (3760578192).

Almost surely, 2^30791500773 is an apocalyptic number.

30791500773 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

30791500773 is a deficient number, since it is larger than the sum of its proper divisors (14335437531).

30791500773 is a wasteful number, since it uses less digits than its factorization.

30791500773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84825096 (or 84825085 counting only the distinct ones).

The product of its (nonzero) digits is 138915, while the sum is 42.

The spelling of 30791500773 in words is "thirty billion, seven hundred ninety-one million, five hundred thousand, seven hundred seventy-three".