1313677009 has 2 divisors, whose sum is σ = 1313677010. Its totient is φ = 1313677008.

The previous prime is 1313676953. The next prime is 1313677019. The reversal of 1313677009 is 9007763131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 965966400 + 347710609 = 31080^2 + 18647^2 .

It is an emirp because it is prime and its reverse (9007763131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1313677009 - 2¹³ = 1313668817 is a prime.

It is not a weakly prime, because it can be changed into another prime (1313677019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656838504 + 656838505.

It is an arithmetic number, because the mean of its divisors is an integer number (656838505).

Almost surely, 2^1313677009 is an apocalyptic number.

It is an amenable number.

1313677009 is a deficient number, since it is larger than the sum of its proper divisors (1).

1313677009 is an equidigital number, since it uses as much as digits as its factorization.

1313677009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23814, while the sum is 37.

The square root of 1313677009 is about 36244.6824927464. The cubic root of 1313677009 is about 1095.2069718509.

The spelling of 1313677009 in words is "one billion, three hundred thirteen million, six hundred seventy-seven thousand, nine".