7813099373 has 2 divisors, whose sum is σ = 7813099374. Its totient is φ = 7813099372.

The previous prime is 7813099361. The next prime is 7813099423. The reversal of 7813099373 is 3739903187.

It is an a-pointer prime, because the next prime (7813099423) can be obtained adding 7813099373 to its sum of digits (50).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6231207844 + 1581891529 = 78938^2 + 39773^2 .

It is an emirp because it is prime and its reverse (3739903187) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7813099373 - 2¹⁸ = 7812837229 is a prime.

It is a super-2 number, since 2×7813099373² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7813099303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3906549686 + 3906549687.

It is an arithmetic number, because the mean of its divisors is an integer number (3906549687).

Almost surely, 2^7813099373 is an apocalyptic number.

It is an amenable number.

7813099373 is a deficient number, since it is larger than the sum of its proper divisors (1).

7813099373 is an equidigital number, since it uses as much as digits as its factorization.

7813099373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 857304, while the sum is 50.

The square root of 7813099373 is about 88391.7381489922. The cubic root of 7813099373 is about 1984.3020574136.

The spelling of 7813099373 in words is "seven billion, eight hundred thirteen million, ninety-nine thousand, three hundred seventy-three".