13431523634 has 8 divisors (see below), whose sum is σ = 20447991408. Its totient is φ = 6615526500.

The previous prime is 13431523627. The next prime is 13431523639. The reversal of 13431523634 is 43632513431.

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

It is a junction number, because it is equal to n+sod(n) for n = 13431523594 and 13431523603.

It is not an unprimeable number, because it can be changed into a prime (13431523639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50117492 + ... + 50117759.

It is an arithmetic number, because the mean of its divisors is an integer number (2555998926).

Almost surely, 2^13431523634 is an apocalyptic number.

13431523634 is a deficient number, since it is larger than the sum of its proper divisors (7016467774).

13431523634 is a wasteful number, since it uses less digits than its factorization.

13431523634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100235320.

The product of its digits is 77760, while the sum is 35.

The spelling of 13431523634 in words is "thirteen billion, four hundred thirty-one million, five hundred twenty-three thousand, six hundred thirty-four".