349237989747 has 12 divisors (see below), whose sum is σ = 517394163720. Its totient is φ = 232823279340.

The previous prime is 349237989739. The next prime is 349237989803. The reversal of 349237989747 is 747989732943.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

349237989747 is a `hidden beast` number, since 3 + 492 + 3 + 7 + 9 + 8 + 97 + 47 = 666.

It is not a de Polignac number, because 349237989747 - 2³ = 349237989739 is a prime.

It is not an unprimeable number, because it can be changed into a prime (349237989707) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 3013872 + ... + 3127602.

It is an arithmetic number, because the mean of its divisors is an integer number (43116180310).

Almost surely, 2^349237989747 is an apocalyptic number.

349237989747 is a deficient number, since it is larger than the sum of its proper divisors (168156173973).

349237989747 is an frugal number, since it uses more digits than its factorization.

349237989747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227471 (or 113734 counting only the distinct ones).

The product of its digits is 576108288, while the sum is 72.

The spelling of 349237989747 in words is "three hundred forty-nine billion, two hundred thirty-seven million, nine hundred eighty-nine thousand, seven hundred forty-seven".