14638867542 has 36 divisors (see below), whose sum is σ = 34345042524. Its totient is φ = 4504266000.

The previous prime is 14638867531. The next prime is 14638867571. The reversal of 14638867542 is 24576883641.

It is a happy number.

14638867542 is a `hidden beast` number, since 1 + 4 + 6 + 38 + 8 + 67 + 542 = 666.

It is a super-2 number, since 2×14638867542² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2403084 + ... + 2409167.

It is an arithmetic number, because the mean of its divisors is an integer number (954028959).

Almost surely, 2^14638867542 is an apocalyptic number.

14638867542 is an abundant number, since it is smaller than the sum of its proper divisors (19706174982).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14638867542 is a wasteful number, since it uses less digits than its factorization.

14638867542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4812285 (or 4812269 counting only the distinct ones).

The product of its digits is 7741440, while the sum is 54.

The spelling of 14638867542 in words is "fourteen billion, six hundred thirty-eight million, eight hundred sixty-seven thousand, five hundred forty-two".