1317034493 has 2 divisors, whose sum is σ = 1317034494. Its totient is φ = 1317034492.

The previous prime is 1317034447. The next prime is 1317034501. The reversal of 1317034493 is 3944307131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 816930724 + 500103769 = 28582^2 + 22363^2 .

It is a cyclic number.

It is not a de Polignac number, because 1317034493 - 2¹² = 1317030397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1317034093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 658517246 + 658517247.

It is an arithmetic number, because the mean of its divisors is an integer number (658517247).

Almost surely, 2^1317034493 is an apocalyptic number.

It is an amenable number.

1317034493 is a deficient number, since it is larger than the sum of its proper divisors (1).

1317034493 is an equidigital number, since it uses as much as digits as its factorization.

1317034493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 1317034493 is about 36290.9698547724. The cubic root of 1317034493 is about 1096.1392181673.

The spelling of 1317034493 in words is "one billion, three hundred seventeen million, thirty-four thousand, four hundred ninety-three".