3534612021 has 24 divisors (see below), whose sum is σ = 5193508320. Its totient is φ = 2316103776.

The previous prime is 3534612007. The next prime is 3534612041. The reversal of 3534612021 is 1202164353.

3534612021 is a `hidden beast` number, since 3 + 534 + 6 + 120 + 2 + 1 = 666.

It is not a de Polignac number, because 3534612021 - 2⁵ = 3534611989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3534612041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 135150 + ... + 159168.

It is an arithmetic number, because the mean of its divisors is an integer number (216396180).

Almost surely, 2^3534612021 is an apocalyptic number.

It is an amenable number.

3534612021 is a deficient number, since it is larger than the sum of its proper divisors (1658896299).

3534612021 is a wasteful number, since it uses less digits than its factorization.

3534612021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24305 (or 24302 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 3534612021 is about 59452.6031473812. The cubic root of 3534612021 is about 1523.2829580429.

Adding to 3534612021 its reverse (1202164353), we get a palindrome (4736776374).

The spelling of 3534612021 in words is "three billion, five hundred thirty-four million, six hundred twelve thousand, twenty-one".