3500221741 has 4 divisors (see below), whose sum is σ = 3574694592. Its totient is φ = 3425748892.

The previous prime is 3500221709. The next prime is 3500221759. The reversal of 3500221741 is 1471220053.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3500221741 - 2⁵ = 3500221709 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 (3500221141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37236355 + ... + 37236448.

It is an arithmetic number, because the mean of its divisors is an integer number (893673648).

Almost surely, 2^3500221741 is an apocalyptic number.

It is an amenable number.

3500221741 is a deficient number, since it is larger than the sum of its proper divisors (74472851).

3500221741 is an equidigital number, since it uses as much as digits as its factorization.

3500221741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74472850.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 3500221741 is about 59162.6718548106. The cubic root of 3500221741 is about 1518.3265488929.

Adding to 3500221741 its reverse (1471220053), we get a palindrome (4971441794).

The spelling of 3500221741 in words is "three billion, five hundred million, two hundred twenty-one thousand, seven hundred forty-one".