3945700613409 has 32 divisors (see below), whose sum is σ = 5537667907584. Its totient is φ = 2494134276480.

The previous prime is 3945700613401. The next prime is 3945700613417. The reversal of 3945700613409 is 9043160075493.

3945700613409 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3945700613401) and next prime (3945700613417).

It is not a de Polignac number, because 3945700613409 - 2³ = 3945700613401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3945700613401) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9997789 + ... + 10384949.

It is an arithmetic number, because the mean of its divisors is an integer number (173052122112).

Almost surely, 2^{3945700613409} is an apocalyptic number.

It is an amenable number.

3945700613409 is a deficient number, since it is larger than the sum of its proper divisors (1591967294175).

3945700613409 is a wasteful number, since it uses less digits than its factorization.

3945700613409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388477.

The product of its (nonzero) digits is 2449440, while the sum is 51.

The spelling of 3945700613409 in words is "three trillion, nine hundred forty-five billion, seven hundred million, six hundred thirteen thousand, four hundred nine".