32443979353 has 2 divisors, whose sum is σ = 32443979354. Its totient is φ = 32443979352.

The previous prime is 32443979339. The next prime is 32443979363. The reversal of 32443979353 is 35397934423.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28950341904 + 3493637449 = 170148^2 + 59107^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32443979353 is a prime.

It is a super-2 number, since 2×32443979353² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 32443979353.

It is not a weakly prime, because it can be changed into another prime (32443979363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16221989676 + 16221989677.

It is an arithmetic number, because the mean of its divisors is an integer number (16221989677).

Almost surely, 2^32443979353 is an apocalyptic number.

It is an amenable number.

32443979353 is a deficient number, since it is larger than the sum of its proper divisors (1).

32443979353 is an equidigital number, since it uses as much as digits as its factorization.

32443979353 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7348320, while the sum is 52.

The spelling of 32443979353 in words is "thirty-two billion, four hundred forty-three million, nine hundred seventy-nine thousand, three hundred fifty-three".