15234401032639 has 4 divisors (see below), whose sum is σ = 15235569059256. Its totient is φ = 15233233006024.

The previous prime is 15234401032607. The next prime is 15234401032649. The reversal of 15234401032639 is 93623010443251.

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 15234401032639 - 2⁵ = 15234401032607 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15234401032595 and 15234401032604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15234401032649) 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, 583993744 + ... + 584019829.

It is an arithmetic number, because the mean of its divisors is an integer number (3808892264814).

Almost surely, 2^{15234401032639} is an apocalyptic number.

15234401032639 is a deficient number, since it is larger than the sum of its proper divisors (1168026617).

15234401032639 is a wasteful number, since it uses less digits than its factorization.

15234401032639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1168026616.

The product of its (nonzero) digits is 466560, while the sum is 43.

The spelling of 15234401032639 in words is "fifteen trillion, two hundred thirty-four billion, four hundred one million, thirty-two thousand, six hundred thirty-nine".