1315646093 has 2 divisors, whose sum is σ = 1315646094. Its totient is φ = 1315646092.

The previous prime is 1315646071. The next prime is 1315646119. The reversal of 1315646093 is 3906465131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1272848329 + 42797764 = 35677^2 + 6542^2 .

It is a cyclic number.

It is not a de Polignac number, because 1315646093 - 2⁶ = 1315646029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1315646053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 657823046 + 657823047.

It is an arithmetic number, because the mean of its divisors is an integer number (657823047).

Almost surely, 2^1315646093 is an apocalyptic number.

It is an amenable number.

1315646093 is a deficient number, since it is larger than the sum of its proper divisors (1).

1315646093 is an equidigital number, since it uses as much as digits as its factorization.

1315646093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58320, while the sum is 38.

The square root of 1315646093 is about 36271.8360853156. The cubic root of 1315646093 is about 1095.7539043446.

The spelling of 1315646093 in words is "one billion, three hundred fifteen million, six hundred forty-six thousand, ninety-three".