1373444713 has 2 divisors, whose sum is σ = 1373444714. Its totient is φ = 1373444712.

The previous prime is 1373444687. The next prime is 1373444717. The reversal of 1373444713 is 3174443731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1210831209 + 162613504 = 34797^2 + 12752^2 .

It is a cyclic number.

It is not a de Polignac number, because 1373444713 - 2¹³ = 1373436521 is a prime.

It is not a weakly prime, because it can be changed into another prime (1373444717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 686722356 + 686722357.

It is an arithmetic number, because the mean of its divisors is an integer number (686722357).

Almost surely, 2^1373444713 is an apocalyptic number.

It is an amenable number.

1373444713 is a deficient number, since it is larger than the sum of its proper divisors (1).

1373444713 is an equidigital number, since it uses as much as digits as its factorization.

1373444713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84672, while the sum is 37.

The square root of 1373444713 is about 37060.0150161869. The cubic root of 1373444713 is about 1111.5706231883.

The spelling of 1373444713 in words is "one billion, three hundred seventy-three million, four hundred forty-four thousand, seven hundred thirteen".