6420767083 has 4 divisors (see below), whose sum is σ = 6480774360. Its totient is φ = 6360759808.

The previous prime is 6420767047. The next prime is 6420767113. The reversal of 6420767083 is 3807670246.

It is a happy number.

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 6420767083 - 2⁹ = 6420766571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6420767183) 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 in 3 ways as a sum of consecutive naturals, for example, 30003478 + ... + 30003691.

It is an arithmetic number, because the mean of its divisors is an integer number (1620193590).

Almost surely, 2^6420767083 is an apocalyptic number.

6420767083 is a deficient number, since it is larger than the sum of its proper divisors (60007277).

6420767083 is a wasteful number, since it uses less digits than its factorization.

6420767083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60007276.

The product of its (nonzero) digits is 338688, while the sum is 43.

The square root of 6420767083 is about 80129.6891482801. The cubic root of 6420767083 is about 1858.6415373703.

The spelling of 6420767083 in words is "six billion, four hundred twenty million, seven hundred sixty-seven thousand, eighty-three".