3548712921 has 8 divisors (see below), whose sum is σ = 5095587840. Its totient is φ = 2183823312.

The previous prime is 3548712917. The next prime is 3548712929. The reversal of 3548712921 is 1292178453.

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

It is not a de Polignac number, because 3548712921 - 2² = 3548712917 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3548712929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45496281 + ... + 45496358.

It is an arithmetic number, because the mean of its divisors is an integer number (636948480).

Almost surely, 2^3548712921 is an apocalyptic number.

It is an amenable number.

3548712921 is a deficient number, since it is larger than the sum of its proper divisors (1546874919).

3548712921 is a wasteful number, since it uses less digits than its factorization.

3548712921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90992655.

The product of its digits is 120960, while the sum is 42.

The square root of 3548712921 is about 59571.0745328637. The cubic root of 3548712921 is about 1525.3059203167.

The spelling of 3548712921 in words is "three billion, five hundred forty-eight million, seven hundred twelve thousand, nine hundred twenty-one".