34420201261 has 2 divisors, whose sum is σ = 34420201262. Its totient is φ = 34420201260.

The previous prime is 34420201243. The next prime is 34420201327. The reversal of 34420201261 is 16210202443.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31757022025 + 2663179236 = 178205^2 + 51606^2 .

It is an emirp because it is prime and its reverse (16210202443) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34420201261 - 2¹³ = 34420193069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34420291261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17210100630 + 17210100631.

It is an arithmetic number, because the mean of its divisors is an integer number (17210100631).

Almost surely, 2^34420201261 is an apocalyptic number.

It is an amenable number.

34420201261 is a deficient number, since it is larger than the sum of its proper divisors (1).

34420201261 is an equidigital number, since it uses as much as digits as its factorization.

34420201261 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.

The spelling of 34420201261 in words is "thirty-four billion, four hundred twenty million, two hundred one thousand, two hundred sixty-one".