14772775321 has 4 divisors (see below), whose sum is σ = 14811754000. Its totient is φ = 14733796644.

The previous prime is 14772775273. The next prime is 14772775327. The reversal of 14772775321 is 12357727741.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 12357727741 = 109 ⋅113373649.

It is a cyclic number.

It is not a de Polignac number, because 14772775321 - 2¹¹ = 14772773273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14772775327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19488771 + ... + 19489528.

It is an arithmetic number, because the mean of its divisors is an integer number (3702938500).

Almost surely, 2^14772775321 is an apocalyptic number.

It is an amenable number.

14772775321 is a deficient number, since it is larger than the sum of its proper divisors (38978679).

14772775321 is an equidigital number, since it uses as much as digits as its factorization.

14772775321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38978678.

The product of its digits is 576240, while the sum is 46.

The spelling of 14772775321 in words is "fourteen billion, seven hundred seventy-two million, seven hundred seventy-five thousand, three hundred twenty-one".