14564221501 has 2 divisors, whose sum is σ = 14564221502. Its totient is φ = 14564221500.

The previous prime is 14564221493. The next prime is 14564221519. The reversal of 14564221501 is 10512246541.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13941469476 + 622752025 = 118074^2 + 24955^2 .

It is a cyclic number.

It is not a de Polignac number, because 14564221501 - 2³ = 14564221493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14564221901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7282110750 + 7282110751.

It is an arithmetic number, because the mean of its divisors is an integer number (7282110751).

Almost surely, 2^14564221501 is an apocalyptic number.

It is an amenable number.

14564221501 is a deficient number, since it is larger than the sum of its proper divisors (1).

14564221501 is an equidigital number, since it uses as much as digits as its factorization.

14564221501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9600, while the sum is 31.

The spelling of 14564221501 in words is "fourteen billion, five hundred sixty-four million, two hundred twenty-one thousand, five hundred one".