6474945536 has 176 divisors, whose sum is σ = 14113491840. Its totient is φ = 2962391040.

The previous prime is 6474945523. The next prime is 6474945557. The reversal of 6474945536 is 6355494746.

Its product of digits (10886400) is a multiple of the sum of its prime factors (240).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78011351 + ... + 78011433.

Almost surely, 2^6474945536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6474945536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7056745920).

6474945536 is an abundant number, since it is smaller than the sum of its proper divisors (7638546304).

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

6474945536 is a wasteful number, since it uses less digits than its factorization.

6474945536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240 (or 222 counting only the distinct ones).

The product of its digits is 10886400, while the sum is 53.

The square root of 6474945536 is about 80467.0462736144. The cubic root of 6474945536 is about 1863.8546430765.

The spelling of 6474945536 in words is "six billion, four hundred seventy-four million, nine hundred forty-five thousand, five hundred thirty-six".