233421693739490 has 16 divisors (see below), whose sum is σ = 420812484277248. Its totient is φ = 93223469596656.

The previous prime is 233421693739427. The next prime is 233421693739543. The reversal of 233421693739490 is 94937396124332.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18150980642 + ... + 18150993501.

It is an arithmetic number, because the mean of its divisors is an integer number (26300780267328).

Almost surely, 2^{233421693739490} is an apocalyptic number.

233421693739490 is a deficient number, since it is larger than the sum of its proper divisors (187390790537758).

233421693739490 is a wasteful number, since it uses less digits than its factorization.

233421693739490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36301974793.

The product of its (nonzero) digits is 158723712, while the sum is 65.

The spelling of 233421693739490 in words is "two hundred thirty-three trillion, four hundred twenty-one billion, six hundred ninety-three million, seven hundred thirty-nine thousand, four hundred ninety".