1373616413 has 8 divisors (see below), whose sum is σ = 1482192600. Its totient is φ = 1265456448.

The previous prime is 1373616397. The next prime is 1373616437. The reversal of 1373616413 is 3146163731.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 21362884 + 1352253529 = 4622^2 + 36773^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1373616413 - 2⁴ = 1373616397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1373616493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97178 + ... + 110411.

It is an arithmetic number, because the mean of its divisors is an integer number (185274075).

Almost surely, 2^1373616413 is an apocalyptic number.

1373616413 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1373616413 is a deficient number, since it is larger than the sum of its proper divisors (108576187).

1373616413 is a wasteful number, since it uses less digits than its factorization.

1373616413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208111.

The product of its digits is 27216, while the sum is 35.

The square root of 1373616413 is about 37062.3314566151. The cubic root of 1373616413 is about 1111.6169419375.

The spelling of 1373616413 in words is "one billion, three hundred seventy-three million, six hundred sixteen thousand, four hundred thirteen".