3549812142 has 32 divisors (see below), whose sum is σ = 7497705600. Its totient is φ = 1117330848.

The previous prime is 3549812131. The next prime is 3549812159. The reversal of 3549812142 is 2412189453.

It is a self number, because there is not a number n which added to its sum of digits gives 3549812142.

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 15 ways as a sum of consecutive naturals, for example, 15717 + ... + 85712.

It is an arithmetic number, because the mean of its divisors is an integer number (234303300).

Almost surely, 2^3549812142 is an apocalyptic number.

3549812142 is an abundant number, since it is smaller than the sum of its proper divisors (3947893458).

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

3549812142 is a wasteful number, since it uses less digits than its factorization.

3549812142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101760.

The product of its digits is 69120, while the sum is 39.

The square root of 3549812142 is about 59580.2999488925. The cubic root of 3549812142 is about 1525.4633929226.

The spelling of 3549812142 in words is "three billion, five hundred forty-nine million, eight hundred twelve thousand, one hundred forty-two".