6473617520 has 40 divisors (see below), whose sum is σ = 15055192656. Its totient is φ = 2588753408.

The previous prime is 6473617517. The next prime is 6473617543. The reversal of 6473617520 is 257163746.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 374999 + ... + 391881.

Almost surely, 2^6473617520 is an apocalyptic number.

It is an amenable number.

6473617520 is an abundant number, since it is smaller than the sum of its proper divisors (8581575136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6473617520 is a wasteful number, since it uses less digits than its factorization.

6473617520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21689 (or 21683 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 41.

The square root of 6473617520 is about 80458.7939258351. The cubic root of 6473617520 is about 1863.7272083865.

The spelling of 6473617520 in words is "six billion, four hundred seventy-three million, six hundred seventeen thousand, five hundred twenty".