30368688373 has 4 divisors (see below), whose sum is σ = 30436325100. Its totient is φ = 30301051648.

The previous prime is 30368688367. The next prime is 30368688377. The reversal of 30368688373 is 37388686303.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37388686303 = 137 ⋅272910119.

It can be written as a sum of positive squares in 2 ways, for example, as 25021861489 + 5346826884 = 158183^2 + 73122^2 .

It is a cyclic number.

It is not a de Polignac number, because 30368688373 - 2⁵ = 30368688341 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 (30368688377) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33817690 + ... + 33818587.

It is an arithmetic number, because the mean of its divisors is an integer number (7609081275).

Almost surely, 2^30368688373 is an apocalyptic number.

It is an amenable number.

30368688373 is a deficient number, since it is larger than the sum of its proper divisors (67636727).

30368688373 is an equidigital number, since it uses as much as digits as its factorization.

30368688373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67636726.

The product of its (nonzero) digits is 10450944, while the sum is 55.

The spelling of 30368688373 in words is "thirty billion, three hundred sixty-eight million, six hundred eighty-eight thousand, three hundred seventy-three".