1370320849 has 2 divisors, whose sum is σ = 1370320850. Its totient is φ = 1370320848.

The previous prime is 1370320823. The next prime is 1370320871. The reversal of 1370320849 is 9480230731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1092765249 + 277555600 = 33057^2 + 16660^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1370320849 is a prime.

It is not a weakly prime, because it can be changed into another prime (1370320349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 685160424 + 685160425.

It is an arithmetic number, because the mean of its divisors is an integer number (685160425).

Almost surely, 2^1370320849 is an apocalyptic number.

It is an amenable number.

1370320849 is a deficient number, since it is larger than the sum of its proper divisors (1).

1370320849 is an equidigital number, since it uses as much as digits as its factorization.

1370320849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 1370320849 is about 37017.8450075096. The cubic root of 1370320849 is about 1110.7272373629.

The spelling of 1370320849 in words is "one billion, three hundred seventy million, three hundred twenty thousand, eight hundred forty-nine".