3455036664221 has 8 divisors (see below), whose sum is σ = 3636901150080. Its totient is φ = 3273174223488.

The previous prime is 3455036664173. The next prime is 3455036664257. The reversal of 3455036664221 is 1224666305543.

3455036664221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3455036664221 - 2³⁸ = 3180158757277 is a prime.

It is a super-2 number, since 2×3455036664221² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3455036664421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3958460 + ... + 4751786.

It is an arithmetic number, because the mean of its divisors is an integer number (454612643760).

Almost surely, 2^{3455036664221} is an apocalyptic number.

It is an amenable number.

3455036664221 is a deficient number, since it is larger than the sum of its proper divisors (181864485859).

3455036664221 is a wasteful number, since it uses less digits than its factorization.

3455036664221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022563.

The product of its (nonzero) digits is 3110400, while the sum is 47.

The spelling of 3455036664221 in words is "three trillion, four hundred fifty-five billion, thirty-six million, six hundred sixty-four thousand, two hundred twenty-one".