47802416645 has 8 divisors (see below), whose sum is σ = 58007427480. Its totient is φ = 37812248320.

The previous prime is 47802416621. The next prime is 47802416657. The reversal of 47802416645 is 54661420874.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1477172356 + 46325244289 = 38434^2 + 215233^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-47802416645 is a prime.

It is a super-3 number, since 3×47802416645³ (a number of 33 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 47802416645.

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 7 ways as a sum of consecutive naturals, for example, 53710136 + ... + 53711025.

It is an arithmetic number, because the mean of its divisors is an integer number (7250928435).

Almost surely, 2^47802416645 is an apocalyptic number.

It is an amenable number.

47802416645 is a deficient number, since it is larger than the sum of its proper divisors (10205010835).

47802416645 is a wasteful number, since it uses less digits than its factorization.

47802416645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107421255.

The product of its (nonzero) digits is 1290240, while the sum is 47.

The spelling of 47802416645 in words is "forty-seven billion, eight hundred two million, four hundred sixteen thousand, six hundred forty-five".