47689355965 has 16 divisors (see below), whose sum is σ = 57900089520. Its totient is φ = 37704038400.

The previous prime is 47689355963. The next prime is 47689355983. The reversal of 47689355965 is 56955398674.

47689355965 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 1634908356 + 46054447609 = 40434^2 + 214603^2 .

It is not a de Polignac number, because 47689355965 - 2¹ = 47689355963 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47689355965.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47689355963) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 269851 + ... + 410119.

It is an arithmetic number, because the mean of its divisors is an integer number (3618755595).

Almost surely, 2^47689355965 is an apocalyptic number.

It is an amenable number.

47689355965 is a deficient number, since it is larger than the sum of its proper divisors (10210733555).

47689355965 is a wasteful number, since it uses less digits than its factorization.

47689355965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141072.

The product of its digits is 244944000, while the sum is 67.

The spelling of 47689355965 in words is "forty-seven billion, six hundred eighty-nine million, three hundred fifty-five thousand, nine hundred sixty-five".