1980792499 has 8 divisors (see below), whose sum is σ = 2362187520. Its totient is φ = 1624003656.

The previous prime is 1980792491. The next prime is 1980792509. The reversal of 1980792499 is 9942970891.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1980792499 - 2³ = 1980792491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1980792491) 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 7 ways as a sum of consecutive naturals, for example, 6151369 + ... + 6151690.

It is an arithmetic number, because the mean of its divisors is an integer number (295273440).

Almost surely, 2^1980792499 is an apocalyptic number.

1980792499 is a deficient number, since it is larger than the sum of its proper divisors (381395021).

1980792499 is a wasteful number, since it uses less digits than its factorization.

1980792499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12303089.

The product of its (nonzero) digits is 2939328, while the sum is 58.

The square root of 1980792499 is about 44506.0950769667. The cubic root of 1980792499 is about 1255.8747464163.

The spelling of 1980792499 in words is "one billion, nine hundred eighty million, seven hundred ninety-two thousand, four hundred ninety-nine".