1791314797 has 4 divisors (see below), whose sum is σ = 1792286496. Its totient is φ = 1790343100.

The previous prime is 1791314783. The next prime is 1791314821. The reversal of 1791314797 is 7974131971.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1791314797 - 2⁷ = 1791314669 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1791314797.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1791318797) 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 3 ways as a sum of consecutive naturals, for example, 483079 + ... + 486772.

It is an arithmetic number, because the mean of its divisors is an integer number (448071624).

Almost surely, 2^1791314797 is an apocalyptic number.

It is an amenable number.

1791314797 is a deficient number, since it is larger than the sum of its proper divisors (971699).

1791314797 is an equidigital number, since it uses as much as digits as its factorization.

1791314797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 971698.

The product of its digits is 333396, while the sum is 49.

The square root of 1791314797 is about 42323.9270035284. The cubic root of 1791314797 is about 1214.4807565237.

The spelling of 1791314797 in words is "one billion, seven hundred ninety-one million, three hundred fourteen thousand, seven hundred ninety-seven".