14265649638 has 16 divisors (see below), whose sum is σ = 31701443760. Its totient is φ = 4755216528.

The previous prime is 14265649627. The next prime is 14265649661. The reversal of 14265649638 is 83694656241.

14265649638 is a `hidden beast` number, since 1 + 42 + 6 + 564 + 9 + 6 + 38 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 264178697 = 14265649638 / (1 + 4 + 2 + 6 + 5 + 6 + 4 + 9 + 6 + 3 + 8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132089295 + ... + 132089402.

It is an arithmetic number, because the mean of its divisors is an integer number (1981340235).

Almost surely, 2^14265649638 is an apocalyptic number.

14265649638 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

14265649638 is an abundant number, since it is smaller than the sum of its proper divisors (17435794122).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14265649638 is a wasteful number, since it uses less digits than its factorization.

14265649638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264178708 (or 264178702 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 54.

The spelling of 14265649638 in words is "fourteen billion, two hundred sixty-five million, six hundred forty-nine thousand, six hundred thirty-eight".