5405428647 has 40 divisors (see below), whose sum is σ = 8587923696. Its totient is φ = 3376505088.

The previous prime is 5405428631. The next prime is 5405428661. The reversal of 5405428647 is 7468245045.

5405428647 is a `hidden beast` number, since 5 + 40 + 542 + 8 + 64 + 7 = 666.

It is not a de Polignac number, because 5405428647 - 2⁴ = 5405428631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5405428627) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 303933 + ... + 321225.

Almost surely, 2^5405428647 is an apocalyptic number.

5405428647 is a deficient number, since it is larger than the sum of its proper divisors (3182495049).

5405428647 is a wasteful number, since it uses less digits than its factorization.

5405428647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17549 (or 17540 counting only the distinct ones).

The product of its (nonzero) digits is 1075200, while the sum is 45.

The square root of 5405428647 is about 73521.6202691426. The cubic root of 5405428647 is about 1754.9983519599.

The spelling of 5405428647 in words is "five billion, four hundred five million, four hundred twenty-eight thousand, six hundred forty-seven".