13742590397 has 2 divisors, whose sum is σ = 13742590398. Its totient is φ = 13742590396.

The previous prime is 13742590391. The next prime is 13742590469. The reversal of 13742590397 is 79309524731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9926933956 + 3815656441 = 99634^2 + 61771^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13742590397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13742590391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6871295198 + 6871295199.

It is an arithmetic number, because the mean of its divisors is an integer number (6871295199).

Almost surely, 2^13742590397 is an apocalyptic number.

It is an amenable number.

13742590397 is a deficient number, since it is larger than the sum of its proper divisors (1).

13742590397 is an equidigital number, since it uses as much as digits as its factorization.

13742590397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1428840, while the sum is 50.

The spelling of 13742590397 in words is "thirteen billion, seven hundred forty-two million, five hundred ninety thousand, three hundred ninety-seven".