47743736643643 has 8 divisors (see below), whose sum is σ = 49346427068912. Its totient is φ = 46157484069216.

The previous prime is 47743736643607. The next prime is 47743736643737. The reversal of 47743736643643 is 34634663734774.

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

It is a cyclic number.

It is not a de Polignac number, because 47743736643643 - 2²⁵ = 47743703089211 is a prime.

It is a super-2 number, since 2×47743736643643² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47743736653643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4109456805 + ... + 4109468422.

It is an arithmetic number, because the mean of its divisors is an integer number (6168303383614).

Almost surely, 2^{47743736643643} is an apocalyptic number.

47743736643643 is a deficient number, since it is larger than the sum of its proper divisors (1602690425269).

47743736643643 is a wasteful number, since it uses less digits than its factorization.

47743736643643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8218925421.

The product of its digits is 1536288768, while the sum is 67.

The spelling of 47743736643643 in words is "forty-seven trillion, seven hundred forty-three billion, seven hundred thirty-six million, six hundred forty-three thousand, six hundred forty-three".