3544720668842 has 16 divisors (see below), whose sum is σ = 5325233969952. Its totient is φ = 1769644704240.

The previous prime is 3544720668799. The next prime is 3544720668859. The reversal of 3544720668842 is 2488660274453.

3544720668842 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3004613 + ... + 4014615.

It is an arithmetic number, because the mean of its divisors is an integer number (332827123122).

Almost surely, 2^{3544720668842} is an apocalyptic number.

3544720668842 is a deficient number, since it is larger than the sum of its proper divisors (1780513301110).

3544720668842 is a wasteful number, since it uses less digits than its factorization.

3544720668842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012693.

The product of its (nonzero) digits is 61931520, while the sum is 59.

The spelling of 3544720668842 in words is "three trillion, five hundred forty-four billion, seven hundred twenty million, six hundred sixty-eight thousand, eight hundred forty-two".