6420239283283 has 4 divisors (see below), whose sum is σ = 7337416323760. Its totient is φ = 5503062242808.

The previous prime is 6420239283257. The next prime is 6420239283301. The reversal of 6420239283283 is 3823829320246.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6420239283283 is a prime.

It is a super-2 number, since 2×6420239283283² (a number of 26 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 6420239283283.

It is not an unprimeable number, because it can be changed into a prime (6420239283203) 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, 458588520228 + ... + 458588520241.

It is an arithmetic number, because the mean of its divisors is an integer number (1834354080940).

Almost surely, 2^{6420239283283} is an apocalyptic number.

6420239283283 is a deficient number, since it is larger than the sum of its proper divisors (917177040477).

6420239283283 is an equidigital number, since it uses as much as digits as its factorization.

6420239283283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 917177040476.

The product of its (nonzero) digits is 5971968, while the sum is 52.

The spelling of 6420239283283 in words is "six trillion, four hundred twenty billion, two hundred thirty-nine million, two hundred eighty-three thousand, two hundred eighty-three".