343434152500221 has 16 divisors (see below), whose sum is σ = 458035123213184. Its totient is φ = 228894644219904.

The previous prime is 343434152500207. The next prime is 343434152500277. The reversal of 343434152500221 is 122005251434343.

It is a happy number.

It is not a de Polignac number, because 343434152500221 - 2⁵ = 343434152500189 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 343434152500221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343434152500921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 602630016 + ... + 603199638.

It is an arithmetic number, because the mean of its divisors is an integer number (28627195200824).

Almost surely, 2^{343434152500221} is an apocalyptic number.

It is an amenable number.

343434152500221 is a deficient number, since it is larger than the sum of its proper divisors (114600970712963).

343434152500221 is a wasteful number, since it uses less digits than its factorization.

343434152500221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623220.

The product of its (nonzero) digits is 345600, while the sum is 39.

The spelling of 343434152500221 in words is "three hundred forty-three trillion, four hundred thirty-four billion, one hundred fifty-two million, five hundred thousand, two hundred twenty-one".