6403924773 has 32 divisors (see below), whose sum is σ = 9553574400. Its totient is φ = 4239563328.

The previous prime is 6403924759. The next prime is 6403924777. The reversal of 6403924773 is 3774293046.

It is not a de Polignac number, because 6403924773 - 2⁵ = 6403924741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6403924777) 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 31 ways as a sum of consecutive naturals, for example, 2861611 + ... + 2863847.

It is an arithmetic number, because the mean of its divisors is an integer number (298549200).

Almost surely, 2^6403924773 is an apocalyptic number.

It is an amenable number.

6403924773 is a deficient number, since it is larger than the sum of its proper divisors (3149649627).

6403924773 is a wasteful number, since it uses less digits than its factorization.

6403924773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2938 (or 2932 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 45.

The square root of 6403924773 is about 80024.5260716988. The cubic root of 6403924773 is about 1857.0149805270.

The spelling of 6403924773 in words is "six billion, four hundred three million, nine hundred twenty-four thousand, seven hundred seventy-three".