328740194479 has 2 divisors, whose sum is σ = 328740194480. Its totient is φ = 328740194478.

The previous prime is 328740194407. The next prime is 328740194621. The reversal of 328740194479 is 974491047823.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 328740194479 - 2³³ = 320150259887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (328740194179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164370097239 + 164370097240.

It is an arithmetic number, because the mean of its divisors is an integer number (164370097240).

Almost surely, 2^328740194479 is an apocalyptic number.

328740194479 is a deficient number, since it is larger than the sum of its proper divisors (1).

328740194479 is an equidigital number, since it uses as much as digits as its factorization.

328740194479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12192768, while the sum is 58.

The spelling of 328740194479 in words is "three hundred twenty-eight billion, seven hundred forty million, one hundred ninety-four thousand, four hundred seventy-nine".