14747951321 has 2 divisors, whose sum is σ = 14747951322. Its totient is φ = 14747951320.

The previous prime is 14747951287. The next prime is 14747951369. The reversal of 14747951321 is 12315974741.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13441851721 + 1306099600 = 115939^2 + 36140^2 .

It is a cyclic number.

It is not a de Polignac number, because 14747951321 - 2¹⁴ = 14747934937 is a prime.

It is not a weakly prime, because it can be changed into another prime (14747951021) 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 as a sum of consecutive naturals, namely, 7373975660 + 7373975661.

It is an arithmetic number, because the mean of its divisors is an integer number (7373975661).

Almost surely, 2^14747951321 is an apocalyptic number.

It is an amenable number.

14747951321 is a deficient number, since it is larger than the sum of its proper divisors (1).

14747951321 is an equidigital number, since it uses as much as digits as its factorization.

14747951321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 211680, while the sum is 44.

The spelling of 14747951321 in words is "fourteen billion, seven hundred forty-seven million, nine hundred fifty-one thousand, three hundred twenty-one".