1420727324399 has 4 divisors (see below), whose sum is σ = 1420792394880. Its totient is φ = 1420662253920.

The previous prime is 1420727324383. The next prime is 1420727324411. The reversal of 1420727324399 is 9934237270241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1420727324399 - 2⁴ = 1420727324383 is a prime.

It is a super-2 number, since 2×1420727324399² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1420727324399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420727324329) 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, 32502479 + ... + 32546160.

It is an arithmetic number, because the mean of its divisors is an integer number (355198098720).

Almost surely, 2^{1420727324399} is an apocalyptic number.

1420727324399 is a deficient number, since it is larger than the sum of its proper divisors (65070481).

1420727324399 is an equidigital number, since it uses as much as digits as its factorization.

1420727324399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65070480.

The product of its (nonzero) digits is 4572288, while the sum is 53.

The spelling of 1420727324399 in words is "one trillion, four hundred twenty billion, seven hundred twenty-seven million, three hundred twenty-four thousand, three hundred ninety-nine".