6390976773 has 4 divisors (see below), whose sum is σ = 8521302368. Its totient is φ = 4260651180.

The previous prime is 6390976741. The next prime is 6390976777. The reversal of 6390976773 is 3776790936.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 6390976773 - 2⁵ = 6390976741 is a prime.

It is a super-2 number, since 2×6390976773² = 81689168226050987058, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6390976777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1065162793 + ... + 1065162798.

It is an arithmetic number, because the mean of its divisors is an integer number (2130325592).

Almost surely, 2^6390976773 is an apocalyptic number.

It is an amenable number.

6390976773 is a deficient number, since it is larger than the sum of its proper divisors (2130325595).

6390976773 is a wasteful number, since it uses less digits than its factorization.

6390976773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2130325594.

The product of its (nonzero) digits is 9001692, while the sum is 57.

The square root of 6390976773 is about 79943.5849396310. The cubic root of 6390976773 is about 1855.7625791113.

The spelling of 6390976773 in words is "six billion, three hundred ninety million, nine hundred seventy-six thousand, seven hundred seventy-three".