39097232693 has 2 divisors, whose sum is σ = 39097232694. Its totient is φ = 39097232692.

The previous prime is 39097232687. The next prime is 39097232717. The reversal of 39097232693 is 39623279093.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24413125009 + 14684107684 = 156247^2 + 121178^2 .

It is a cyclic number.

It is not a de Polignac number, because 39097232693 - 2¹⁴ = 39097216309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39097232593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19548616346 + 19548616347.

It is an arithmetic number, because the mean of its divisors is an integer number (19548616347).

Almost surely, 2^39097232693 is an apocalyptic number.

It is an amenable number.

39097232693 is a deficient number, since it is larger than the sum of its proper divisors (1).

39097232693 is an equidigital number, since it uses as much as digits as its factorization.

39097232693 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3306744, while the sum is 53.

The spelling of 39097232693 in words is "thirty-nine billion, ninety-seven million, two hundred thirty-two thousand, six hundred ninety-three".