349865464999 has 2 divisors, whose sum is σ = 349865465000. Its totient is φ = 349865464998.

The previous prime is 349865464931. The next prime is 349865465029. The reversal of 349865464999 is 999464568943.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 349865464999 - 2²⁵ = 349831910567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (349865468999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174932732499 + 174932732500.

It is an arithmetic number, because the mean of its divisors is an integer number (174932732500).

Almost surely, 2^349865464999 is an apocalyptic number.

349865464999 is a deficient number, since it is larger than the sum of its proper divisors (1).

349865464999 is an equidigital number, since it uses as much as digits as its factorization.

349865464999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1813985280, while the sum is 76.

It can be divided in two parts, 3498654 and 64999, that added together give a palindrome (3563653).

The spelling of 349865464999 in words is "three hundred forty-nine billion, eight hundred sixty-five million, four hundred sixty-four thousand, nine hundred ninety-nine".