14993681542 has 16 divisors (see below), whose sum is σ = 25754976000. Its totient is φ = 6412983048.

The previous prime is 14993681513. The next prime is 14993681543. The reversal of 14993681542 is 24518639941.

It is a super-2 number, since 2×14993681542² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 14993681542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14993681543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1066138 + ... + 1080109.

It is an arithmetic number, because the mean of its divisors is an integer number (1609686000).

Almost surely, 2^14993681542 is an apocalyptic number.

14993681542 is a deficient number, since it is larger than the sum of its proper divisors (10761294458).

14993681542 is a wasteful number, since it uses less digits than its factorization.

14993681542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2146755.

The product of its digits is 1866240, while the sum is 52.

The spelling of 14993681542 in words is "fourteen billion, nine hundred ninety-three million, six hundred eighty-one thousand, five hundred forty-two".