32543317397 has 2 divisors, whose sum is σ = 32543317398. Its totient is φ = 32543317396.

The previous prime is 32543317381. The next prime is 32543317463. The reversal of 32543317397 is 79371334523.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31679016196 + 864301201 = 177986^2 + 29399^2 .

It is a cyclic number.

It is not a de Polignac number, because 32543317397 - 2⁴ = 32543317381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32543317307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16271658698 + 16271658699.

It is an arithmetic number, because the mean of its divisors is an integer number (16271658699).

Almost surely, 2^32543317397 is an apocalyptic number.

It is an amenable number.

32543317397 is a deficient number, since it is larger than the sum of its proper divisors (1).

32543317397 is an equidigital number, since it uses as much as digits as its factorization.

32543317397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1428840, while the sum is 47.

The spelling of 32543317397 in words is "thirty-two billion, five hundred forty-three million, three hundred seventeen thousand, three hundred ninety-seven".