14864887709 has 32 divisors (see below), whose sum is σ = 18328104960. Its totient is φ = 11770920000.

The previous prime is 14864887643. The next prime is 14864887733. The reversal of 14864887709 is 90778846841.

It is a happy number.

It is not a de Polignac number, because 14864887709 - 2²⁸ = 14596452253 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14864887769) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4293239 + ... + 4296699.

It is an arithmetic number, because the mean of its divisors is an integer number (572753280).

Almost surely, 2^14864887709 is an apocalyptic number.

14864887709 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

14864887709 is a deficient number, since it is larger than the sum of its proper divisors (3463217251).

14864887709 is a wasteful number, since it uses less digits than its factorization.

14864887709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4281.

The product of its (nonzero) digits is 21676032, while the sum is 62.

The spelling of 14864887709 in words is "fourteen billion, eight hundred sixty-four million, eight hundred eighty-seven thousand, seven hundred nine".