14826945721 has 20 divisors (see below), whose sum is σ = 17394210000. Its totient is φ = 12637445352.

The previous prime is 14826945719. The next prime is 14826945737. The reversal of 14826945721 is 12754962841.

It is not a de Polignac number, because 14826945721 - 2¹ = 14826945719 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14826945751) 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 19 ways as a sum of consecutive naturals, for example, 412530 + ... + 447028.

It is an arithmetic number, because the mean of its divisors is an integer number (869710500).

Almost surely, 2^14826945721 is an apocalyptic number.

It is an amenable number.

14826945721 is a deficient number, since it is larger than the sum of its proper divisors (2567264279).

14826945721 is an frugal number, since it uses more digits than its factorization.

14826945721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34706 (or 34685 counting only the distinct ones).

The product of its digits is 967680, while the sum is 49.

The spelling of 14826945721 in words is "fourteen billion, eight hundred twenty-six million, nine hundred forty-five thousand, seven hundred twenty-one".