47516958721 has 8 divisors (see below), whose sum is σ = 49592874240. Its totient is φ = 45441873312.

The previous prime is 47516958707. The next prime is 47516958743. The reversal of 47516958721 is 12785961574.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47516958721 is a prime.

It is a super-2 number, since 2×47516958721² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47516958121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89100 + ... + 320893.

It is an arithmetic number, because the mean of its divisors is an integer number (6199109280).

Almost surely, 2^47516958721 is an apocalyptic number.

It is an amenable number.

47516958721 is a deficient number, since it is larger than the sum of its proper divisors (2075915519).

47516958721 is a wasteful number, since it uses less digits than its factorization.

47516958721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415055.

The product of its digits is 4233600, while the sum is 55.

The spelling of 47516958721 in words is "forty-seven billion, five hundred sixteen million, nine hundred fifty-eight thousand, seven hundred twenty-one".