14501239987 has 16 divisors (see below), whose sum is σ = 15992000640. Its totient is φ = 13065628032.

The previous prime is 14501239969. The next prime is 14501239997. The reversal of 14501239987 is 78993210541.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 14501239987 - 2¹⁵ = 14501207219 is a prime.

It is a super-2 number, since 2×14501239987² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14501239987.

It is not an unprimeable number, because it can be changed into a prime (14501239927) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 196089 + ... + 259717.

It is an arithmetic number, because the mean of its divisors is an integer number (999500040).

Almost surely, 2^14501239987 is an apocalyptic number.

14501239987 is a deficient number, since it is larger than the sum of its proper divisors (1490760653).

14501239987 is a wasteful number, since it uses less digits than its factorization.

14501239987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64062.

The product of its (nonzero) digits is 544320, while the sum is 49.

The spelling of 14501239987 in words is "fourteen billion, five hundred one million, two hundred thirty-nine thousand, nine hundred eighty-seven".