349647558442 has 24 divisors (see below), whose sum is σ = 657030029796. Its totient is φ = 138322110528.

The previous prime is 349647558401. The next prime is 349647558443. The reversal of 349647558442 is 244855746943.

It can be written as a sum of positive squares in 2 ways, for example, as 250171029241 + 99476529201 = 500171^2 + 315399^2 .

It is a Smith number, since the sum of its digits (61) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (349647558443) 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 in 11 ways as a sum of consecutive naturals, for example, 137223043 + ... + 137225590.

Almost surely, 2^349647558442 is an apocalyptic number.

349647558442 is a deficient number, since it is larger than the sum of its proper divisors (307382471354).

349647558442 is a wasteful number, since it uses less digits than its factorization.

349647558442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274448662 (or 274448655 counting only the distinct ones).

The product of its digits is 116121600, while the sum is 61.

The spelling of 349647558442 in words is "three hundred forty-nine billion, six hundred forty-seven million, five hundred fifty-eight thousand, four hundred forty-two".