47207151665444 has 12 divisors (see below), whose sum is σ = 82644823807644. Its totient is φ = 23594344863264.

The previous prime is 47207151665441. The next prime is 47207151665489. The reversal of 47207151665444 is 44456615170274.

It can be written as a sum of positive squares in 2 ways, for example, as 6972081820900 + 40235069844544 = 2640470^2 + 6343112^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 47207151665444.

It is not an unprimeable number, because it can be changed into a prime (47207151665441) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2307730859 + ... + 2307751314.

It is an arithmetic number, because the mean of its divisors is an integer number (6887068650637).

Almost surely, 2^{47207151665444} is an apocalyptic number.

It is an amenable number.

47207151665444 is a deficient number, since it is larger than the sum of its proper divisors (35437672142200).

47207151665444 is a wasteful number, since it uses less digits than its factorization.

47207151665444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4615484734 (or 4615484732 counting only the distinct ones).

The product of its (nonzero) digits is 22579200, while the sum is 56.

The spelling of 47207151665444 in words is "forty-seven trillion, two hundred seven billion, one hundred fifty-one million, six hundred sixty-five thousand, four hundred forty-four".