580820797394 has 4 divisors (see below), whose sum is σ = 871231196094. Its totient is φ = 290410398696.

The previous prime is 580820797391. The next prime is 580820797399. The reversal of 580820797394 is 493797028085.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 464871694225 + 115949103169 = 681815^2 + 340513^2 .

It is not an unprimeable number, because it can be changed into a prime (580820797391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 145205199347 + ... + 145205199350.

Almost surely, 2^580820797394 is an apocalyptic number.

580820797394 is a deficient number, since it is larger than the sum of its proper divisors (290410398700).

580820797394 is a wasteful number, since it uses less digits than its factorization.

580820797394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290410398699.

The product of its (nonzero) digits is 30481920, while the sum is 62.

Adding to 580820797394 its sum of digits (62), we get a square (580820797456 = 762116²).

The spelling of 580820797394 in words is "five hundred eighty billion, eight hundred twenty million, seven hundred ninety-seven thousand, three hundred ninety-four".