434342010121 has 2 divisors, whose sum is σ = 434342010122. Its totient is φ = 434342010120.

The previous prime is 434342010101. The next prime is 434342010149. The reversal of 434342010121 is 121010243434.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 415942444096 + 18399566025 = 644936^2 + 135645^2 .

It is a cyclic number.

It is not a de Polignac number, because 434342010121 - 2²¹ = 434339912969 is a prime.

It is not a weakly prime, because it can be changed into another prime (434342010101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217171005060 + 217171005061.

It is an arithmetic number, because the mean of its divisors is an integer number (217171005061).

Almost surely, 2^434342010121 is an apocalyptic number.

It is an amenable number.

434342010121 is a deficient number, since it is larger than the sum of its proper divisors (1).

434342010121 is an equidigital number, since it uses as much as digits as its factorization.

434342010121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 434342010121 its reverse (121010243434), we get a palindrome (555352253555).

The spelling of 434342010121 in words is "four hundred thirty-four billion, three hundred forty-two million, ten thousand, one hundred twenty-one".