328202992901 has 4 divisors (see below), whose sum is σ = 375089134752. Its totient is φ = 281316851052.

The previous prime is 328202992891. The next prime is 328202992921. The reversal of 328202992901 is 109299202823.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 328202992901 - 2³⁰ = 327129251077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328202992921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23443070915 + ... + 23443070928.

It is an arithmetic number, because the mean of its divisors is an integer number (93772283688).

Almost surely, 2^328202992901 is an apocalyptic number.

It is an amenable number.

328202992901 is a deficient number, since it is larger than the sum of its proper divisors (46886141851).

328202992901 is an equidigital number, since it uses as much as digits as its factorization.

328202992901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46886141850.

The product of its (nonzero) digits is 279936, while the sum is 47.

The spelling of 328202992901 in words is "three hundred twenty-eight billion, two hundred two million, nine hundred ninety-two thousand, nine hundred one".