3921483493 has 4 divisors (see below), whose sum is σ = 4004919360. Its totient is φ = 3838047628.

The previous prime is 3921483481. The next prime is 3921483563. The reversal of 3921483493 is 3943841293.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3921483493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3921463493) 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, 41717863 + ... + 41717956.

It is an arithmetic number, because the mean of its divisors is an integer number (1001229840).

Almost surely, 2^3921483493 is an apocalyptic number.

It is an amenable number.

3921483493 is a deficient number, since it is larger than the sum of its proper divisors (83435867).

3921483493 is an equidigital number, since it uses as much as digits as its factorization.

3921483493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83435866.

The product of its digits is 559872, while the sum is 46.

The square root of 3921483493 is about 62621.7493607453. The cubic root of 3921483493 is about 1576.9459100171.

It can be divided in two parts, 392148 and 3493, that added together give a square (395641 = 629²).

The spelling of 3921483493 in words is "three billion, nine hundred twenty-one million, four hundred eighty-three thousand, four hundred ninety-three".