3681031973 has 8 divisors (see below), whose sum is σ = 3811449600. Its totient is φ = 3550846768.

The previous prime is 3681031969. The next prime is 3681031979. The reversal of 3681031973 is 3791301863.

3681031973 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 3681031973 - 2² = 3681031969 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3681031973.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3681031979) 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, 25553 + ... + 89526.

It is an arithmetic number, because the mean of its divisors is an integer number (476431200).

Almost surely, 2^3681031973 is an apocalyptic number.

It is an amenable number.

3681031973 is a deficient number, since it is larger than the sum of its proper divisors (130417627).

3681031973 is a wasteful number, since it uses less digits than its factorization.

3681031973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116211.

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 3681031973 is about 60671.5087417480. The cubic root of 3681031973 is about 1544.0328286229.

The spelling of 3681031973 in words is "three billion, six hundred eighty-one million, thirty-one thousand, nine hundred seventy-three".