328174432427 has 2 divisors, whose sum is σ = 328174432428. Its totient is φ = 328174432426.

The previous prime is 328174432303. The next prime is 328174432429. The reversal of 328174432427 is 724234471823.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-328174432427 is a prime.

It is a super-2 number, since 2×328174432427² (a number of 24 digits) contains 22 as substring.

Together with 328174432429, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (328174432429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164087216213 + 164087216214.

It is an arithmetic number, because the mean of its divisors is an integer number (164087216214).

Almost surely, 2^328174432427 is an apocalyptic number.

328174432427 is a deficient number, since it is larger than the sum of its proper divisors (1).

328174432427 is an equidigital number, since it uses as much as digits as its factorization.

328174432427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1806336, while the sum is 47.

The spelling of 328174432427 in words is "three hundred twenty-eight billion, one hundred seventy-four million, four hundred thirty-two thousand, four hundred twenty-seven".