1679574697 has 2 divisors, whose sum is σ = 1679574698. Its totient is φ = 1679574696.

The previous prime is 1679574683. The next prime is 1679574703. The reversal of 1679574697 is 7964759761.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1669212736 + 10361961 = 40856^2 + 3219^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1679574697 is a prime.

It is not a weakly prime, because it can be changed into another prime (1679574607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 839787348 + 839787349.

It is an arithmetic number, because the mean of its divisors is an integer number (839787349).

Almost surely, 2^1679574697 is an apocalyptic number.

It is an amenable number.

1679574697 is a deficient number, since it is larger than the sum of its proper divisors (1).

1679574697 is an equidigital number, since it uses as much as digits as its factorization.

1679574697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20003760, while the sum is 61.

The square root of 1679574697 is about 40982.6145700833. The cubic root of 1679574697 is about 1188.6840659021.

The spelling of 1679574697 in words is "one billion, six hundred seventy-nine million, five hundred seventy-four thousand, six hundred ninety-seven".