349121769810 has 64 divisors (see below), whose sum is σ = 962172933120. Its totient is φ = 80181074880.

The previous prime is 349121769749. The next prime is 349121769877. The reversal of 349121769810 is 18967121943.

It is a super-2 number, since 2×349121769810² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27834382 + ... + 27846921.

It is an arithmetic number, because the mean of its divisors is an integer number (15033952080).

Almost surely, 2^349121769810 is an apocalyptic number.

349121769810 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

349121769810 is an abundant number, since it is smaller than the sum of its proper divisors (613051163310).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

349121769810 is a wasteful number, since it uses less digits than its factorization.

349121769810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55681343.

The product of its (nonzero) digits is 653184, while the sum is 51.

The spelling of 349121769810 in words is "three hundred forty-nine billion, one hundred twenty-one million, seven hundred sixty-nine thousand, eight hundred ten".