3442540354221 has 4 divisors (see below), whose sum is σ = 4590053805632. Its totient is φ = 2295026902812.

The previous prime is 3442540354193. The next prime is 3442540354229. The reversal of 3442540354221 is 1224530452443.

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 not a de Polignac number, because 3442540354221 - 2⁶ = 3442540354157 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3442540354221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3442540354229) 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, 573756725701 + ... + 573756725706.

It is an arithmetic number, because the mean of its divisors is an integer number (1147513451408).

Almost surely, 2^{3442540354221} is an apocalyptic number.

It is an amenable number.

3442540354221 is a deficient number, since it is larger than the sum of its proper divisors (1147513451411).

3442540354221 is a wasteful number, since it uses less digits than its factorization.

3442540354221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1147513451410.

The product of its (nonzero) digits is 460800, while the sum is 39.

The spelling of 3442540354221 in words is "three trillion, four hundred forty-two billion, five hundred forty million, three hundred fifty-four thousand, two hundred twenty-one".