3504221461 has 4 divisors (see below), whose sum is σ = 3773776972. Its totient is φ = 3234665952.

The previous prime is 3504221449. The next prime is 3504221477. The reversal of 3504221461 is 1641224053.

3504221461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1641224053 = 7 ⋅234460579.

It can be written as a sum of positive squares in 2 ways, for example, as 587141361 + 2917080100 = 24231^2 + 54010^2 .

It is a cyclic number.

It is not a de Polignac number, because 3504221461 - 2²¹ = 3502124309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3504221561) 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, 134777736 + ... + 134777761.

It is an arithmetic number, because the mean of its divisors is an integer number (943444243).

Almost surely, 2^3504221461 is an apocalyptic number.

It is an amenable number.

3504221461 is a deficient number, since it is larger than the sum of its proper divisors (269555511).

3504221461 is a wasteful number, since it uses less digits than its factorization.

3504221461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269555510.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 3504221461 is about 59196.4649366835. The cubic root of 3504221461 is about 1518.9046617298.

The spelling of 3504221461 in words is "three billion, five hundred four million, two hundred twenty-one thousand, four hundred sixty-one".