349490975542 has 16 divisors (see below), whose sum is σ = 526911012000. Its totient is φ = 173854105920.

The previous prime is 349490975507. The next prime is 349490975567. The reversal of 349490975542 is 245579094943.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 7092084 + ... + 7141192.

It is an arithmetic number, because the mean of its divisors is an integer number (32931938250).

Almost surely, 2^349490975542 is an apocalyptic number.

349490975542 is a deficient number, since it is larger than the sum of its proper divisors (177420036458).

349490975542 is a wasteful number, since it uses less digits than its factorization.

349490975542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67191.

The product of its (nonzero) digits is 48988800, while the sum is 61.

The spelling of 349490975542 in words is "three hundred forty-nine billion, four hundred ninety million, nine hundred seventy-five thousand, five hundred forty-two".