3563314621 has 4 divisors (see below), whose sum is σ = 3564036700. Its totient is φ = 3562592544.

The previous prime is 3563314619. The next prime is 3563314639. The reversal of 3563314621 is 1264133653.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1264133653 = 401 ⋅3152453.

It can be written as a sum of positive squares in 2 ways, for example, as 1557170521 + 2006144100 = 39461^2 + 44790^2 .

It is a cyclic number.

It is not a de Polignac number, because 3563314621 - 2¹ = 3563314619 is a prime.

It is a super-2 number, since 2×3563314621² = 25394422176464747282, which 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 (3563314681) 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, 353586 + ... + 363523.

It is an arithmetic number, because the mean of its divisors is an integer number (891009175).

Almost surely, 2^3563314621 is an apocalyptic number.

It is an amenable number.

3563314621 is a deficient number, since it is larger than the sum of its proper divisors (722079).

3563314621 is an equidigital number, since it uses as much as digits as its factorization.

3563314621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722078.

The product of its digits is 38880, while the sum is 34.

The square root of 3563314621 is about 59693.5056852921. The cubic root of 3563314621 is about 1527.3950892042.

The spelling of 3563314621 in words is "three billion, five hundred sixty-three million, three hundred fourteen thousand, six hundred twenty-one".