349864751 has 2 divisors, whose sum is σ = 349864752. Its totient is φ = 349864750.

The previous prime is 349864733. The next prime is 349864759. The reversal of 349864751 is 157468943.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 349864751 - 2¹⁰ = 349863727 is a prime.

It is equal to p_18796565 and since 349864751 and 18796565 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 349864696 and 349864705.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (349864759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174932375 + 174932376.

It is an arithmetic number, because the mean of its divisors is an integer number (174932376).

Almost surely, 2^349864751 is an apocalyptic number.

349864751 is a deficient number, since it is larger than the sum of its proper divisors (1).

349864751 is an equidigital number, since it uses as much as digits as its factorization.

349864751 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 725760, while the sum is 47.

The square root of 349864751 is about 18704.6719030300. The cubic root of 349864751 is about 704.6390862631.

The spelling of 349864751 in words is "three hundred forty-nine million, eight hundred sixty-four thousand, seven hundred fifty-one".