1370338813 has 2 divisors, whose sum is σ = 1370338814. Its totient is φ = 1370338812.

The previous prime is 1370338759. The next prime is 1370338817. The reversal of 1370338813 is 3188330731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1366189444 + 4149369 = 36962^2 + 2037^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1370338813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1370338817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 685169406 + 685169407.

It is an arithmetic number, because the mean of its divisors is an integer number (685169407).

Almost surely, 2^1370338813 is an apocalyptic number.

It is an amenable number.

1370338813 is a deficient number, since it is larger than the sum of its proper divisors (1).

1370338813 is an equidigital number, since it uses as much as digits as its factorization.

1370338813 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 1370338813 is about 37018.0876464466. The cubic root of 1370338813 is about 1110.7320909748.

The spelling of 1370338813 in words is "one billion, three hundred seventy million, three hundred thirty-eight thousand, eight hundred thirteen".