1314558691 has 2 divisors, whose sum is σ = 1314558692. Its totient is φ = 1314558690.

The previous prime is 1314558683. The next prime is 1314558697. The reversal of 1314558691 is 1968554131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1314558691 - 2³ = 1314558683 is a prime.

It is not a weakly prime, because it can be changed into another prime (1314558697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 657279345 + 657279346.

It is an arithmetic number, because the mean of its divisors is an integer number (657279346).

Almost surely, 2^1314558691 is an apocalyptic number.

1314558691 is a deficient number, since it is larger than the sum of its proper divisors (1).

1314558691 is an equidigital number, since it uses as much as digits as its factorization.

1314558691 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129600, while the sum is 43.

The square root of 1314558691 is about 36256.8433678388. The cubic root of 1314558691 is about 1095.4519352422.

The spelling of 1314558691 in words is "one billion, three hundred fourteen million, five hundred fifty-eight thousand, six hundred ninety-one".