34401662261 has 2 divisors, whose sum is σ = 34401662262. Its totient is φ = 34401662260.

The previous prime is 34401662237. The next prime is 34401662287. The reversal of 34401662261 is 16226610443.

34401662261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21905776036 + 12495886225 = 148006^2 + 111785^2 .

It is a cyclic number.

It is not a de Polignac number, because 34401662261 - 2²² = 34397467957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34401662201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17200831130 + 17200831131.

It is an arithmetic number, because the mean of its divisors is an integer number (17200831131).

Almost surely, 2^34401662261 is an apocalyptic number.

It is an amenable number.

34401662261 is a deficient number, since it is larger than the sum of its proper divisors (1).

34401662261 is an equidigital number, since it uses as much as digits as its factorization.

34401662261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 35.

The spelling of 34401662261 in words is "thirty-four billion, four hundred one million, six hundred sixty-two thousand, two hundred sixty-one".