1373099617 has 4 divisors (see below), whose sum is σ = 1373268996. Its totient is φ = 1372930240.

The previous prime is 1373099603. The next prime is 1373099633. The reversal of 1373099617 is 7169903731.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1291396096 + 81703521 = 35936^2 + 9039^2 .

It is a cyclic number.

It is not a de Polignac number, because 1373099617 - 2¹⁹ = 1372575329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1373099677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71884 + ... + 88957.

It is an arithmetic number, because the mean of its divisors is an integer number (343317249).

Almost surely, 2^1373099617 is an apocalyptic number.

It is an amenable number.

1373099617 is a deficient number, since it is larger than the sum of its proper divisors (169379).

1373099617 is an equidigital number, since it uses as much as digits as its factorization.

1373099617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169378.

The product of its (nonzero) digits is 214326, while the sum is 46.

The square root of 1373099617 is about 37055.3588162360. The cubic root of 1373099617 is about 1111.4775164898.

The spelling of 1373099617 in words is "one billion, three hundred seventy-three million, ninety-nine thousand, six hundred seventeen".