3998475830233 has 2 divisors, whose sum is σ = 3998475830234. Its totient is φ = 3998475830232.

The previous prime is 3998475830231. The next prime is 3998475830287. The reversal of 3998475830233 is 3320385748993.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2399735595664 + 1598740234569 = 1549108^2 + 1264413^2 .

It is a cyclic number.

It is not a de Polignac number, because 3998475830233 - 2¹ = 3998475830231 is a prime.

Together with 3998475830231, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (3998475830231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1999237915116 + 1999237915117.

It is an arithmetic number, because the mean of its divisors is an integer number (1999237915117).

Almost surely, 2^{3998475830233} is an apocalyptic number.

It is an amenable number.

3998475830233 is a deficient number, since it is larger than the sum of its proper divisors (1).

3998475830233 is an equidigital number, since it uses as much as digits as its factorization.

3998475830233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 117573120, while the sum is 64.

The spelling of 3998475830233 in words is "three trillion, nine hundred ninety-eight billion, four hundred seventy-five million, eight hundred thirty thousand, two hundred thirty-three".