47531668895249 has 16 divisors (see below), whose sum is σ = 59506155747456. Its totient is φ = 36883980806400.

The previous prime is 47531668895231. The next prime is 47531668895251. The reversal of 47531668895249 is 94259886613574.

It is a de Polignac number, because none of the positive numbers 2^k-47531668895249 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (77).

It is a self number, because there is not a number n which added to its sum of digits gives 47531668895249.

It is not an unprimeable number, because it can be changed into a prime (47531668895299) 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, 1280675222 + ... + 1280712335.

It is an arithmetic number, because the mean of its divisors is an integer number (3719134734216).

Almost surely, 2^{47531668895249} is an apocalyptic number.

It is an amenable number.

47531668895249 is a deficient number, since it is larger than the sum of its proper divisors (11974486852207).

47531668895249 is a wasteful number, since it uses less digits than its factorization.

47531668895249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2561387816.

The product of its digits is 3135283200, while the sum is 77.

The spelling of 47531668895249 in words is "forty-seven trillion, five hundred thirty-one billion, six hundred sixty-eight million, eight hundred ninety-five thousand, two hundred forty-nine".