1370485817 has 2 divisors, whose sum is σ = 1370485818. Its totient is φ = 1370485816.

The previous prime is 1370485801. The next prime is 1370485849. The reversal of 1370485817 is 7185840731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 818188816 + 552297001 = 28604^2 + 23501^2 .

It is a cyclic number.

It is not a de Polignac number, because 1370485817 - 2⁴ = 1370485801 is a prime.

It is not a weakly prime, because it can be changed into another prime (1370485517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 685242908 + 685242909.

It is an arithmetic number, because the mean of its divisors is an integer number (685242909).

Almost surely, 2^1370485817 is an apocalyptic number.

It is an amenable number.

1370485817 is a deficient number, since it is larger than the sum of its proper divisors (1).

1370485817 is an equidigital number, since it uses as much as digits as its factorization.

1370485817 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 188160, while the sum is 44.

The square root of 1370485817 is about 37020.0731630828. The cubic root of 1370485817 is about 1110.7718077272.

The spelling of 1370485817 in words is "one billion, three hundred seventy million, four hundred eighty-five thousand, eight hundred seventeen".