30373691197 has 2 divisors, whose sum is σ = 30373691198. Its totient is φ = 30373691196.

The previous prime is 30373691171. The next prime is 30373691207. The reversal of 30373691197 is 79119637303.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30101903001 + 271788196 = 173499^2 + 16486^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30373691197 is a prime.

It is a super-2 number, since 2×30373691197² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30373691197.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30373691107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15186845598 + 15186845599.

It is an arithmetic number, because the mean of its divisors is an integer number (15186845599).

Almost surely, 2^30373691197 is an apocalyptic number.

It is an amenable number.

30373691197 is a deficient number, since it is larger than the sum of its proper divisors (1).

30373691197 is an equidigital number, since it uses as much as digits as its factorization.

30373691197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 642978, while the sum is 49.

The spelling of 30373691197 in words is "thirty billion, three hundred seventy-three million, six hundred ninety-one thousand, one hundred ninety-seven".