39347821360081 has 8 divisors (see below), whose sum is σ = 42459495848000. Its totient is φ = 36248278157712.

The previous prime is 39347821360073. The next prime is 39347821360087. The reversal of 39347821360081 is 18006312874393.

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 39347821360081 - 2³ = 39347821360073 is a prime.

It is a super-2 number, since 2×39347821360081² (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 (39347821360087) 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, 3032814645 + ... + 3032827618.

It is an arithmetic number, because the mean of its divisors is an integer number (5307436981000).

Almost surely, 2^{39347821360081} is an apocalyptic number.

It is an amenable number.

39347821360081 is a deficient number, since it is larger than the sum of its proper divisors (3111674487919).

39347821360081 is a wasteful number, since it uses less digits than its factorization.

39347821360081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6065642775.

The product of its (nonzero) digits is 5225472, while the sum is 55.

The spelling of 39347821360081 in words is "thirty-nine trillion, three hundred forty-seven billion, eight hundred twenty-one million, three hundred sixty thousand, eighty-one".