47566965909 has 16 divisors (see below), whose sum is σ = 64073273472. Its totient is φ = 31386320448.

The previous prime is 47566965907. The next prime is 47566965949. The reversal of 47566965909 is 90956966574.

It is not a de Polignac number, because 47566965909 - 2¹ = 47566965907 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47566965909.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47566965907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 538987 + ... + 620999.

It is an arithmetic number, because the mean of its divisors is an integer number (4004579592).

Almost surely, 2^47566965909 is an apocalyptic number.

It is an amenable number.

47566965909 is a deficient number, since it is larger than the sum of its proper divisors (16506307563).

47566965909 is a wasteful number, since it uses less digits than its factorization.

47566965909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83996.

The product of its (nonzero) digits is 110224800, while the sum is 66.

The spelling of 47566965909 in words is "forty-seven billion, five hundred sixty-six million, nine hundred sixty-five thousand, nine hundred nine".