1347037009 has 2 divisors, whose sum is σ = 1347037010. Its totient is φ = 1347037008.

The previous prime is 1347036991. The next prime is 1347037031. The reversal of 1347037009 is 9007307431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1209091984 + 137945025 = 34772^2 + 11745^2 .

It is a cyclic number.

It is not a de Polignac number, because 1347037009 - 2⁷ = 1347036881 is a prime.

It is not a weakly prime, because it can be changed into another prime (1347037039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 673518504 + 673518505.

It is an arithmetic number, because the mean of its divisors is an integer number (673518505).

Almost surely, 2^1347037009 is an apocalyptic number.

It is an amenable number.

1347037009 is a deficient number, since it is larger than the sum of its proper divisors (1).

1347037009 is an equidigital number, since it uses as much as digits as its factorization.

1347037009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15876, while the sum is 34.

The square root of 1347037009 is about 36702.0027927632. The cubic root of 1347037009 is about 1104.4002830795.

The spelling of 1347037009 in words is "one billion, three hundred forty-seven million, thirty-seven thousand, nine".