3973546831 has 4 divisors (see below), whose sum is σ = 3973986064. Its totient is φ = 3973107600.

The previous prime is 3973546807. The next prime is 3973546859. The reversal of 3973546831 is 1386453793.

3973546831 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3973546831 - 2⁹ = 3973546319 is a prime.

It is a super-2 number, since 2×3973546831² = 31578148836300285122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3973546891) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 205755 + ... + 224236.

It is an arithmetic number, because the mean of its divisors is an integer number (993496516).

Almost surely, 2^3973546831 is an apocalyptic number.

3973546831 is a deficient number, since it is larger than the sum of its proper divisors (439233).

3973546831 is an equidigital number, since it uses as much as digits as its factorization.

3973546831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439232.

The product of its digits is 1632960, while the sum is 49.

The square root of 3973546831 is about 63036.0756313399. The cubic root of 3973546831 is about 1583.8939938104.

The spelling of 3973546831 in words is "three billion, nine hundred seventy-three million, five hundred forty-six thousand, eight hundred thirty-one".