3924722704645 has 16 divisors (see below), whose sum is σ = 4713996413952. Its totient is φ = 3136893032320.

The previous prime is 3924722704631. The next prime is 3924722704673. The reversal of 3924722704645 is 5464072274293.

3924722704645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-3924722704645 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33638760 + ... + 33755230.

It is an arithmetic number, because the mean of its divisors is an integer number (294624775872).

Almost surely, 2^{3924722704645} is an apocalyptic number.

It is an amenable number.

3924722704645 is a deficient number, since it is larger than the sum of its proper divisors (789273709307).

3924722704645 is a wasteful number, since it uses less digits than its factorization.

3924722704645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122612.

The product of its (nonzero) digits is 20321280, while the sum is 55.

The spelling of 3924722704645 in words is "three trillion, nine hundred twenty-four billion, seven hundred twenty-two million, seven hundred four thousand, six hundred forty-five".