349994486188 has 6 divisors (see below), whose sum is σ = 612490350836. Its totient is φ = 174997243092.

The previous prime is 349994486183. The next prime is 349994486209. The reversal of 349994486188 is 881684499943.

It is a super-2 number, since 2×349994486188² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 349994486188.

It is not an unprimeable number, because it can be changed into a prime (349994486183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43749310770 + ... + 43749310777.

Almost surely, 2^349994486188 is an apocalyptic number.

It is an amenable number.

349994486188 is a deficient number, since it is larger than the sum of its proper divisors (262495864648).

349994486188 is a wasteful number, since it uses less digits than its factorization.

349994486188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87498621551 (or 87498621549 counting only the distinct ones).

The product of its digits is 429981696, while the sum is 73.

The spelling of 349994486188 in words is "three hundred forty-nine billion, nine hundred ninety-four million, four hundred eighty-six thousand, one hundred eighty-eight".