14518270921 has 16 divisors (see below), whose sum is σ = 18106800768. Its totient is φ = 11309126400.

The previous prime is 14518270909. The next prime is 14518270939. The reversal of 14518270921 is 12907281541.

It is not a de Polignac number, because 14518270921 - 2¹¹ = 14518268873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14518279921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 210111 + ... + 270523.

It is an arithmetic number, because the mean of its divisors is an integer number (1131675048).

Almost surely, 2^14518270921 is an apocalyptic number.

14518270921 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

14518270921 is a deficient number, since it is larger than the sum of its proper divisors (3588529847).

14518270921 is a wasteful number, since it uses less digits than its factorization.

14518270921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63552.

The product of its (nonzero) digits is 40320, while the sum is 40.

The spelling of 14518270921 in words is "fourteen billion, five hundred eighteen million, two hundred seventy thousand, nine hundred twenty-one".