349654621730 has 32 divisors (see below), whose sum is σ = 637468876800. Its totient is φ = 138064635072.

The previous prime is 349654621727. The next prime is 349654621741. The reversal of 349654621730 is 37126456943.

It is a super-3 number, since 3×349654621730³ (a number of 36 digits) contains 333 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4307156 + ... + 4387584.

It is an arithmetic number, because the mean of its divisors is an integer number (19920902400).

Almost surely, 2^349654621730 is an apocalyptic number.

349654621730 is a deficient number, since it is larger than the sum of its proper divisors (287814255070).

349654621730 is a wasteful number, since it uses less digits than its factorization.

349654621730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86018.

The product of its (nonzero) digits is 3265920, while the sum is 50.

The spelling of 349654621730 in words is "three hundred forty-nine billion, six hundred fifty-four million, six hundred twenty-one thousand, seven hundred thirty".