14397943537 has 2 divisors, whose sum is σ = 14397943538. Its totient is φ = 14397943536.

The previous prime is 14397943529. The next prime is 14397943541. The reversal of 14397943537 is 73534979341.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13976914176 + 421029361 = 118224^2 + 20519^2 .

It is an emirp because it is prime and its reverse (73534979341) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14397943537 - 2³ = 14397943529 is a prime.

It is not a weakly prime, because it can be changed into another prime (14397943507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7198971768 + 7198971769.

It is an arithmetic number, because the mean of its divisors is an integer number (7198971769).

Almost surely, 2^14397943537 is an apocalyptic number.

It is an amenable number.

14397943537 is a deficient number, since it is larger than the sum of its proper divisors (1).

14397943537 is an equidigital number, since it uses as much as digits as its factorization.

14397943537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8573040, while the sum is 55.

The spelling of 14397943537 in words is "fourteen billion, three hundred ninety-seven million, nine hundred forty-three thousand, five hundred thirty-seven".