30792782493 has 24 divisors (see below), whose sum is σ = 49317411936. Its totient is φ = 18356349600.

The previous prime is 30792782491. The next prime is 30792782509. The reversal of 30792782493 is 39428729703.

30792782493 is a `hidden beast` number, since 3 + 0 + 79 + 2 + 7 + 82 + 493 = 666.

It is not a de Polignac number, because 30792782493 - 2¹ = 30792782491 is a prime.

It is a super-2 number, since 2×30792782493² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30792782491) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2543455 + ... + 2555532.

It is an arithmetic number, because the mean of its divisors is an integer number (2054892164).

Almost surely, 2^30792782493 is an apocalyptic number.

30792782493 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

30792782493 is a deficient number, since it is larger than the sum of its proper divisors (18524629443).

30792782493 is a wasteful number, since it uses less digits than its factorization.

30792782493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5099065 (or 5099062 counting only the distinct ones).

The product of its (nonzero) digits is 4572288, while the sum is 54.

The spelling of 30792782493 in words is "thirty billion, seven hundred ninety-two million, seven hundred eighty-two thousand, four hundred ninety-three".