34013620261 has 2 divisors, whose sum is σ = 34013620262. Its totient is φ = 34013620260.

The previous prime is 34013620259. The next prime is 34013620307. The reversal of 34013620261 is 16202631043.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23157230625 + 10856389636 = 152175^2 + 104194^2 .

It is a cyclic number.

It is not a de Polignac number, because 34013620261 - 2¹ = 34013620259 is a prime.

Together with 34013620259, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34013620211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17006810130 + 17006810131.

It is an arithmetic number, because the mean of its divisors is an integer number (17006810131).

Almost surely, 2^34013620261 is an apocalyptic number.

It is an amenable number.

34013620261 is a deficient number, since it is larger than the sum of its proper divisors (1).

34013620261 is an equidigital number, since it uses as much as digits as its factorization.

34013620261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 28.

The spelling of 34013620261 in words is "thirty-four billion, thirteen million, six hundred twenty thousand, two hundred sixty-one".