1319106697 has 2 divisors, whose sum is σ = 1319106698. Its totient is φ = 1319106696.

The previous prime is 1319106689. The next prime is 1319106707. The reversal of 1319106697 is 7966019131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 880664976 + 438441721 = 29676^2 + 20939^2 .

It is a cyclic number.

It is not a de Polignac number, because 1319106697 - 2³ = 1319106689 is a prime.

It is not a weakly prime, because it can be changed into another prime (1319106617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 659553348 + 659553349.

It is an arithmetic number, because the mean of its divisors is an integer number (659553349).

Almost surely, 2^1319106697 is an apocalyptic number.

It is an amenable number.

1319106697 is a deficient number, since it is larger than the sum of its proper divisors (1).

1319106697 is an equidigital number, since it uses as much as digits as its factorization.

1319106697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 61236, while the sum is 43.

The square root of 1319106697 is about 36319.5084906170. The cubic root of 1319106697 is about 1096.7138003945.

The spelling of 1319106697 in words is "one billion, three hundred nineteen million, one hundred six thousand, six hundred ninety-seven".