14978519742 has 8 divisors (see below), whose sum is σ = 29957039496. Its totient is φ = 4992839912.

The previous prime is 14978519741. The next prime is 14978519771. The reversal of 14978519742 is 24791587941.

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

14978519742 is an admirable number.

It is a super-2 number, since 2×14978519742² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14978519741) 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 3 ways as a sum of consecutive naturals, for example, 1248209973 + ... + 1248209984.

It is an arithmetic number, because the mean of its divisors is an integer number (3744629937).

Almost surely, 2^14978519742 is an apocalyptic number.

14978519742 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

14978519742 is a wasteful number, since it uses less digits than its factorization.

14978519742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2496419962.

The product of its digits is 5080320, while the sum is 57.

The spelling of 14978519742 in words is "fourteen billion, nine hundred seventy-eight million, five hundred nineteen thousand, seven hundred forty-two".