349606309558 has 16 divisors (see below), whose sum is σ = 602192687040. Its totient is φ = 150548171400.

The previous prime is 349606309553. The next prime is 349606309571. The reversal of 349606309558 is 855903606943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349606309553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 418188948 + ... + 418189783.

It is an arithmetic number, because the mean of its divisors is an integer number (37637042940).

Almost surely, 2^349606309558 is an apocalyptic number.

349606309558 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

349606309558 is a deficient number, since it is larger than the sum of its proper divisors (252586377482).

349606309558 is a wasteful number, since it uses less digits than its factorization.

349606309558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 836378763.

The product of its (nonzero) digits is 20995200, while the sum is 58.

The spelling of 349606309558 in words is "three hundred forty-nine billion, six hundred six million, three hundred nine thousand, five hundred fifty-eight".