6405747484 has 6 divisors (see below), whose sum is σ = 11210058104. Its totient is φ = 3202873740.

The previous prime is 6405747473. The next prime is 6405747487. The reversal of 6405747484 is 4847475046.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6405747487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 800718432 + ... + 800718439.

Almost surely, 2^6405747484 is an apocalyptic number.

It is an amenable number.

6405747484 is a deficient number, since it is larger than the sum of its proper divisors (4804310620).

6405747484 is a wasteful number, since it uses less digits than its factorization.

6405747484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1601436875 (or 1601436873 counting only the distinct ones).

The product of its (nonzero) digits is 3010560, while the sum is 49.

The square root of 6405747484 is about 80035.9137137823. The cubic root of 6405747484 is about 1857.1911475220.

The spelling of 6405747484 in words is "six billion, four hundred five million, seven hundred forty-seven thousand, four hundred eighty-four".