14642147438 has 32 divisors (see below), whose sum is σ = 23466606336. Its totient is φ = 6837038208.

The previous prime is 14642147437. The next prime is 14642147453. The reversal of 14642147438 is 83474124641.

It is a super-2 number, since 2×14642147438² (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 (14642147431) 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 15 ways as a sum of consecutive naturals, for example, 327245 + ... + 369287.

It is an arithmetic number, because the mean of its divisors is an integer number (733331448).

Almost surely, 2^14642147438 is an apocalyptic number.

14642147438 is a deficient number, since it is larger than the sum of its proper divisors (8824458898).

14642147438 is a wasteful number, since it uses less digits than its factorization.

14642147438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42248.

The product of its digits is 516096, while the sum is 44.

The spelling of 14642147438 in words is "fourteen billion, six hundred forty-two million, one hundred forty-seven thousand, four hundred thirty-eight".