420302608399 has 4 divisors (see below), whose sum is σ = 445026291264. Its totient is φ = 395578925536.

The previous prime is 420302608393. The next prime is 420302608403. The reversal of 420302608399 is 993806203024.

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 420302608399 - 2⁹ = 420302607887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420302608393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12361841407 + ... + 12361841440.

It is an arithmetic number, because the mean of its divisors is an integer number (111256572816).

Almost surely, 2^420302608399 is an apocalyptic number.

420302608399 is a deficient number, since it is larger than the sum of its proper divisors (24723682865).

420302608399 is a wasteful number, since it uses less digits than its factorization.

420302608399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24723682864.

The product of its (nonzero) digits is 559872, while the sum is 46.

The spelling of 420302608399 in words is "four hundred twenty billion, three hundred two million, six hundred eight thousand, three hundred ninety-nine".