3544214621 has 4 divisors (see below), whose sum is σ = 3752697852. Its totient is φ = 3335731392.

The previous prime is 3544214617. The next prime is 3544214651. The reversal of 3544214621 is 1264124453.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1075118521 + 2469096100 = 32789^2 + 49690^2 .

It is a cyclic number.

It is not a de Polignac number, because 3544214621 - 2² = 3544214617 is a prime.

It is a super-2 number, since 2×3544214621² = 25122914559420347282, 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 (3544214651) 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, 104241590 + ... + 104241623.

It is an arithmetic number, because the mean of its divisors is an integer number (938174463).

Almost surely, 2^3544214621 is an apocalyptic number.

It is an amenable number.

3544214621 is a deficient number, since it is larger than the sum of its proper divisors (208483231).

3544214621 is a wasteful number, since it uses less digits than its factorization.

3544214621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208483230.

The product of its digits is 23040, while the sum is 32.

The square root of 3544214621 is about 59533.3068206361. The cubic root of 3544214621 is about 1524.6611621648.

The spelling of 3544214621 in words is "three billion, five hundred forty-four million, two hundred fourteen thousand, six hundred twenty-one".