325832991643 has 2 divisors, whose sum is σ = 325832991644. Its totient is φ = 325832991642.

The previous prime is 325832991613. The next prime is 325832991689. The reversal of 325832991643 is 346199238523.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 325832991643 - 2⁹ = 325832991131 is a prime.

It is not a weakly prime, because it can be changed into another prime (325832991613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162916495821 + 162916495822.

It is an arithmetic number, because the mean of its divisors is an integer number (162916495822).

Almost surely, 2^325832991643 is an apocalyptic number.

325832991643 is a deficient number, since it is larger than the sum of its proper divisors (1).

325832991643 is an equidigital number, since it uses as much as digits as its factorization.

325832991643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8398080, while the sum is 55.

The spelling of 325832991643 in words is "three hundred twenty-five billion, eight hundred thirty-two million, nine hundred ninety-one thousand, six hundred forty-three".