3547410021 has 12 divisors (see below), whose sum is σ = 5132038860. Its totient is φ = 2361246720.

The previous prime is 3547409977. The next prime is 3547410049. The reversal of 3547410021 is 1200147453.

It can be written as a sum of positive squares in 2 ways, for example, as 2476157121 + 1071252900 = 49761^2 + 32730^2 .

It is not a de Polignac number, because 3547410021 - 2²² = 3543215717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3547410071) 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 11 ways as a sum of consecutive naturals, for example, 301686 + ... + 313223.

It is an arithmetic number, because the mean of its divisors is an integer number (427669905).

Almost surely, 2^3547410021 is an apocalyptic number.

It is an amenable number.

3547410021 is a deficient number, since it is larger than the sum of its proper divisors (1584628839).

3547410021 is a wasteful number, since it uses less digits than its factorization.

3547410021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615556 (or 615553 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 3547410021 is about 59560.1378524261. The cubic root of 3547410021 is about 1525.1192268694.

Adding to 3547410021 its reverse (1200147453), we get a palindrome (4747557474).

The spelling of 3547410021 in words is "three billion, five hundred forty-seven million, four hundred ten thousand, twenty-one".