3445761434221 has 32 divisors (see below), whose sum is σ = 3698454988800. Its totient is φ = 3200983894080.

The previous prime is 3445761434209. The next prime is 3445761434231. The reversal of 3445761434221 is 1224341675443.

It is a cyclic number.

It is not a de Polignac number, because 3445761434221 - 2⁵ = 3445761434189 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 (3445761434231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81325440 + ... + 81367798.

It is an arithmetic number, because the mean of its divisors is an integer number (115576718400).

Almost surely, 2^{3445761434221} is an apocalyptic number.

It is an amenable number.

3445761434221 is a deficient number, since it is larger than the sum of its proper divisors (252693554579).

3445761434221 is a wasteful number, since it uses less digits than its factorization.

3445761434221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42889.

The product of its digits is 1935360, while the sum is 46.

The spelling of 3445761434221 in words is "three trillion, four hundred forty-five billion, seven hundred sixty-one million, four hundred thirty-four thousand, two hundred twenty-one".