47734544565 has 64 divisors (see below), whose sum is σ = 86018918400. Its totient is φ = 25425887040.

The previous prime is 47734544551. The next prime is 47734544587. The reversal of 47734544565 is 56544543774.

47734544565 is a `hidden beast` number, since 4 + 7 + 7 + 34 + 5 + 44 + 565 = 666.

It is not a de Polignac number, because 47734544565 - 2²⁰ = 47733495989 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10287516 + ... + 10292154.

It is an arithmetic number, because the mean of its divisors is an integer number (1344045600).

Almost surely, 2^47734544565 is an apocalyptic number.

47734544565 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

47734544565 is a deficient number, since it is larger than the sum of its proper divisors (38284373835).

47734544565 is an frugal number, since it uses more digits than its factorization.

47734544565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5606 (or 5588 counting only the distinct ones).

The product of its digits is 28224000, while the sum is 54.

The spelling of 47734544565 in words is "forty-seven billion, seven hundred thirty-four million, five hundred forty-four thousand, five hundred sixty-five".