34457425221 has 4 divisors (see below), whose sum is σ = 45943233632. Its totient is φ = 22971616812.

The previous prime is 34457425217. The next prime is 34457425241. The reversal of 34457425221 is 12252475443.

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 34457425221 - 2² = 34457425217 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 34457425221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34457425201) 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, 5742904201 + ... + 5742904206.

It is an arithmetic number, because the mean of its divisors is an integer number (11485808408).

Almost surely, 2^34457425221 is an apocalyptic number.

It is an amenable number.

34457425221 is a deficient number, since it is larger than the sum of its proper divisors (11485808411).

34457425221 is a wasteful number, since it uses less digits than its factorization.

34457425221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11485808410.

The product of its digits is 268800, while the sum is 39.

The spelling of 34457425221 in words is "thirty-four billion, four hundred fifty-seven million, four hundred twenty-five thousand, two hundred twenty-one".