349414691 has 2 divisors, whose sum is σ = 349414692. Its totient is φ = 349414690.

The previous prime is 349414679. The next prime is 349414711. The reversal of 349414691 is 196414943.

It is a weak prime.

It is an emirp because it is prime and its reverse (196414943) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 349414691 - 2⁶ = 349414627 is a prime.

It is not a weakly prime, because it can be changed into another prime (349414631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174707345 + 174707346.

It is an arithmetic number, because the mean of its divisors is an integer number (174707346).

Almost surely, 2^349414691 is an apocalyptic number.

349414691 is a deficient number, since it is larger than the sum of its proper divisors (1).

349414691 is an equidigital number, since it uses as much as digits as its factorization.

349414691 is an evil number, because the sum of its binary digits is even.

The product of its digits is 93312, while the sum is 41.

The square root of 349414691 is about 18692.6373473622. The cubic root of 349414691 is about 704.3368114107.

The spelling of 349414691 in words is "three hundred forty-nine million, four hundred fourteen thousand, six hundred ninety-one".