14381644785 has 16 divisors (see below), whose sum is σ = 24364198656. Its totient is φ = 7219021568.

The previous prime is 14381644777. The next prime is 14381644799. The reversal of 14381644785 is 58744618341.

It is a cyclic number.

It is not a de Polignac number, because 14381644785 - 2³ = 14381644777 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28199049 + ... + 28199558.

It is an arithmetic number, because the mean of its divisors is an integer number (1522762416).

Almost surely, 2^14381644785 is an apocalyptic number.

14381644785 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

14381644785 is a deficient number, since it is larger than the sum of its proper divisors (9982553871).

14381644785 is a wasteful number, since it uses less digits than its factorization.

14381644785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56398632.

The product of its digits is 2580480, while the sum is 51.

The spelling of 14381644785 in words is "fourteen billion, three hundred eighty-one million, six hundred forty-four thousand, seven hundred eighty-five".