34166405491 has 2 divisors, whose sum is σ = 34166405492. Its totient is φ = 34166405490.

The previous prime is 34166405453. The next prime is 34166405527. The reversal of 34166405491 is 19450466143.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 34166405491 - 2⁷ = 34166405363 is a prime.

It is not a weakly prime, because it can be changed into another prime (34166405411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17083202745 + 17083202746.

It is an arithmetic number, because the mean of its divisors is an integer number (17083202746).

Almost surely, 2^34166405491 is an apocalyptic number.

34166405491 is a deficient number, since it is larger than the sum of its proper divisors (1).

34166405491 is an equidigital number, since it uses as much as digits as its factorization.

34166405491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 311040, while the sum is 43.

The spelling of 34166405491 in words is "thirty-four billion, one hundred sixty-six million, four hundred five thousand, four hundred ninety-one".