3564010003621 has 4 divisors (see below), whose sum is σ = 3564013883500. Its totient is φ = 3564006123744.

The previous prime is 3564010003487. The next prime is 3564010003627. The reversal of 3564010003621 is 1263000104653.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1489217512225 + 2074792491396 = 1220335^2 + 1440414^2 .

It is a cyclic number.

It is not a de Polignac number, because 3564010003621 - 2¹⁵ = 3564009970853 is a prime.

It is a super-2 number, since 2×3564010003621² (a number of 26 digits) 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 (3564010003627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 300235 + ... + 2686663.

It is an arithmetic number, because the mean of its divisors is an integer number (891003470875).

Almost surely, 2^{3564010003621} is an apocalyptic number.

It is an amenable number.

3564010003621 is a deficient number, since it is larger than the sum of its proper divisors (3879879).

3564010003621 is a wasteful number, since it uses less digits than its factorization.

3564010003621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3879878.

The product of its (nonzero) digits is 12960, while the sum is 31.

The spelling of 3564010003621 in words is "three trillion, five hundred sixty-four billion, ten million, three thousand, six hundred twenty-one".