34398611491 has 2 divisors, whose sum is σ = 34398611492. Its totient is φ = 34398611490.

The previous prime is 34398611479. The next prime is 34398611519. The reversal of 34398611491 is 19411689343.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 34398611491 - 2⁵ = 34398611459 is a prime.

It is not a weakly prime, because it can be changed into another prime (34398614491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17199305745 + 17199305746.

It is an arithmetic number, because the mean of its divisors is an integer number (17199305746).

Almost surely, 2^34398611491 is an apocalyptic number.

34398611491 is a deficient number, since it is larger than the sum of its proper divisors (1).

34398611491 is an equidigital number, since it uses as much as digits as its factorization.

34398611491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 559872, while the sum is 49.

The spelling of 34398611491 in words is "thirty-four billion, three hundred ninety-eight million, six hundred eleven thousand, four hundred ninety-one".