1370351009 has 2 divisors, whose sum is σ = 1370351010. Its totient is φ = 1370351008.

The previous prime is 1370350997. The next prime is 1370351027. The reversal of 1370351009 is 9001530731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 817960000 + 552391009 = 28600^2 + 23503^2 .

It is an emirp because it is prime and its reverse (9001530731) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1370351009 is a prime.

It is not a weakly prime, because it can be changed into another prime (1370351029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 685175504 + 685175505.

It is an arithmetic number, because the mean of its divisors is an integer number (685175505).

Almost surely, 2^1370351009 is an apocalyptic number.

It is an amenable number.

1370351009 is a deficient number, since it is larger than the sum of its proper divisors (1).

1370351009 is an equidigital number, since it uses as much as digits as its factorization.

1370351009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2835, while the sum is 29.

The square root of 1370351009 is about 37018.2523763616. The cubic root of 1370351009 is about 1110.7353861327.

The spelling of 1370351009 in words is "one billion, three hundred seventy million, three hundred fifty-one thousand, nine".