233934652639 has 4 divisors (see below), whose sum is σ = 234047721240. Its totient is φ = 233821584040.

The previous prime is 233934652631. The next prime is 233934652709. The reversal of 233934652639 is 936256439332.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 233934652639 - 2³ = 233934652631 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 233934652639.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233934652631) 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, 56531197 + ... + 56535334.

It is an arithmetic number, because the mean of its divisors is an integer number (58511930310).

Almost surely, 2^233934652639 is an apocalyptic number.

233934652639 is a deficient number, since it is larger than the sum of its proper divisors (113068601).

233934652639 is a wasteful number, since it uses less digits than its factorization.

233934652639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113068600.

The product of its digits is 18895680, while the sum is 55.

The spelling of 233934652639 in words is "two hundred thirty-three billion, nine hundred thirty-four million, six hundred fifty-two thousand, six hundred thirty-nine".