12790031693 has 2 divisors, whose sum is σ = 12790031694. Its totient is φ = 12790031692.

The previous prime is 12790031633. The next prime is 12790031699. The reversal of 12790031693 is 39613009721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11126452324 + 1663579369 = 105482^2 + 40787^2 .

It is a cyclic number.

It is not a de Polignac number, because 12790031693 - 2⁶ = 12790031629 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12790031693.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12790031699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6395015846 + 6395015847.

It is an arithmetic number, because the mean of its divisors is an integer number (6395015847).

Almost surely, 2^12790031693 is an apocalyptic number.

It is an amenable number.

12790031693 is a deficient number, since it is larger than the sum of its proper divisors (1).

12790031693 is an equidigital number, since it uses as much as digits as its factorization.

12790031693 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 61236, while the sum is 41.

The spelling of 12790031693 in words is "twelve billion, seven hundred ninety million, thirty-one thousand, six hundred ninety-three".