6403473517 has 16 divisors (see below), whose sum is σ = 7491744000. Its totient is φ = 5470951920.

The previous prime is 6403473509. The next prime is 6403473547. The reversal of 6403473517 is 7153743046.

It is not a de Polignac number, because 6403473517 - 2³ = 6403473509 is a prime.

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 6403473517.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6403473547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76659 + ... + 136687.

It is an arithmetic number, because the mean of its divisors is an integer number (468234000).

Almost surely, 2^6403473517 is an apocalyptic number.

It is an amenable number.

6403473517 is a deficient number, since it is larger than the sum of its proper divisors (1088270483).

6403473517 is an equidigital number, since it uses as much as digits as its factorization.

6403473517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60361 (or 60347 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 40.

The square root of 6403473517 is about 80021.7065364142. The cubic root of 6403473517 is about 1856.9713609829.

The spelling of 6403473517 in words is "six billion, four hundred three million, four hundred seventy-three thousand, five hundred seventeen".