14538623785 has 8 divisors (see below), whose sum is σ = 19938684096. Its totient is φ = 9969342000.

The previous prime is 14538623783. The next prime is 14538623843. The reversal of 14538623785 is 58732683541.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 14538623785 - 2¹ = 14538623783 is a prime.

It is a super-2 number, since 2×14538623785² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14538623783) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207694591 + ... + 207694660.

It is an arithmetic number, because the mean of its divisors is an integer number (2492335512).

Almost surely, 2^14538623785 is an apocalyptic number.

It is an amenable number.

14538623785 is a deficient number, since it is larger than the sum of its proper divisors (5400060311).

14538623785 is an equidigital number, since it uses as much as digits as its factorization.

14538623785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415389263.

The product of its digits is 4838400, while the sum is 52.

The spelling of 14538623785 in words is "fourteen billion, five hundred thirty-eight million, six hundred twenty-three thousand, seven hundred eighty-five".