14387507642 has 4 divisors (see below), whose sum is σ = 21581261466. Its totient is φ = 7193753820.

The previous prime is 14387507639. The next prime is 14387507669. The reversal of 14387507642 is 24670578341.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 9688268041 + 4699239601 = 98429^2 + 68551^2 .

It is a super-2 number, since 2×14387507642² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3596876909 + ... + 3596876912.

Almost surely, 2^14387507642 is an apocalyptic number.

14387507642 is a deficient number, since it is larger than the sum of its proper divisors (7193753824).

14387507642 is an equidigital number, since it uses as much as digits as its factorization.

14387507642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7193753823.

The product of its (nonzero) digits is 1128960, while the sum is 47.

The spelling of 14387507642 in words is "fourteen billion, three hundred eighty-seven million, five hundred seven thousand, six hundred forty-two".