39975352433 has 2 divisors, whose sum is σ = 39975352434. Its totient is φ = 39975352432.

The previous prime is 39975352427. The next prime is 39975352493. The reversal of 39975352433 is 33425357993.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29691769969 + 10283582464 = 172313^2 + 101408^2 .

It is a cyclic number.

It is not a de Polignac number, because 39975352433 - 2²⁰ = 39974303857 is a prime.

It is not a weakly prime, because it can be changed into another prime (39975352493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19987676216 + 19987676217.

It is an arithmetic number, because the mean of its divisors is an integer number (19987676217).

Almost surely, 2^39975352433 is an apocalyptic number.

It is an amenable number.

39975352433 is a deficient number, since it is larger than the sum of its proper divisors (1).

39975352433 is an equidigital number, since it uses as much as digits as its factorization.

39975352433 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9185400, while the sum is 53.

The spelling of 39975352433 in words is "thirty-nine billion, nine hundred seventy-five million, three hundred fifty-two thousand, four hundred thirty-three".