4273103329221 has 4 divisors (see below), whose sum is σ = 5697471105632. Its totient is φ = 2848735552812.

The previous prime is 4273103329219. The next prime is 4273103329223. The reversal of 4273103329221 is 1229233013724.

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 an interprime number because it is at equal distance from previous prime (4273103329219) and next prime (4273103329223).

It is not a de Polignac number, because 4273103329221 - 2¹ = 4273103329219 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 4273103329221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4273103329223) 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, 712183888201 + ... + 712183888206.

It is an arithmetic number, because the mean of its divisors is an integer number (1424367776408).

Almost surely, 2^{4273103329221} is an apocalyptic number.

It is an amenable number.

4273103329221 is a deficient number, since it is larger than the sum of its proper divisors (1424367776411).

4273103329221 is a wasteful number, since it uses less digits than its factorization.

4273103329221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1424367776410.

The product of its (nonzero) digits is 108864, while the sum is 39.

The spelling of 4273103329221 in words is "four trillion, two hundred seventy-three billion, one hundred three million, three hundred twenty-nine thousand, two hundred twenty-one".