349642804759 has 2 divisors, whose sum is σ = 349642804760. Its totient is φ = 349642804758.

The previous prime is 349642804751. The next prime is 349642804801. The reversal of 349642804759 is 957408246943.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 349642804759 - 2³ = 349642804751 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 349642804697 and 349642804706.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (349642804751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174821402379 + 174821402380.

It is an arithmetic number, because the mean of its divisors is an integer number (174821402380).

Almost surely, 2^349642804759 is an apocalyptic number.

349642804759 is a deficient number, since it is larger than the sum of its proper divisors (1).

349642804759 is an equidigital number, since it uses as much as digits as its factorization.

349642804759 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52254720, while the sum is 61.

The spelling of 349642804759 in words is "three hundred forty-nine billion, six hundred forty-two million, eight hundred four thousand, seven hundred fifty-nine".