34256150221 has 4 divisors (see below), whose sum is σ = 34902492732. Its totient is φ = 33609807712.

The previous prime is 34256150209. The next prime is 34256150233. The reversal of 34256150221 is 12205165243.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (34256150209) and next prime (34256150233).

It can be written as a sum of positive squares in 2 ways, for example, as 29925194121 + 4330956100 = 172989^2 + 65810^2 .

It is a cyclic number.

It is not a de Polignac number, because 34256150221 - 2⁹ = 34256149709 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 (34256150261) 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, 323171176 + ... + 323171281.

It is an arithmetic number, because the mean of its divisors is an integer number (8725623183).

Almost surely, 2^34256150221 is an apocalyptic number.

It is an amenable number.

34256150221 is a deficient number, since it is larger than the sum of its proper divisors (646342511).

34256150221 is an equidigital number, since it uses as much as digits as its factorization.

34256150221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646342510.

The product of its (nonzero) digits is 14400, while the sum is 31.

The spelling of 34256150221 in words is "thirty-four billion, two hundred fifty-six million, one hundred fifty thousand, two hundred twenty-one".