239633334021 has 8 divisors (see below), whose sum is σ = 319526388544. Its totient is φ = 159747917760.

The previous prime is 239633334013. The next prime is 239633334029. The reversal of 239633334021 is 120433336932.

It is an interprime number because it is at equal distance from previous prime (239633334013) and next prime (239633334029).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 239633334021 - 2³ = 239633334013 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 (239633334029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1835956 + ... + 1962141.

It is an arithmetic number, because the mean of its divisors is an integer number (39940798568).

Almost surely, 2^239633334021 is an apocalyptic number.

It is an amenable number.

239633334021 is a deficient number, since it is larger than the sum of its proper divisors (79893054523).

239633334021 is a wasteful number, since it uses less digits than its factorization.

239633334021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3819131.

The product of its (nonzero) digits is 209952, while the sum is 39.

The spelling of 239633334021 in words is "two hundred thirty-nine billion, six hundred thirty-three million, three hundred thirty-four thousand, twenty-one".