3905973523 has 4 divisors (see below), whose sum is σ = 3914337960. Its totient is φ = 3897609088.

The previous prime is 3905973509. The next prime is 3905973541. The reversal of 3905973523 is 3253795093.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3253795093 = 101 ⋅32215793.

It is a cyclic number.

It is not a de Polignac number, because 3905973523 - 2¹³ = 3905965331 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3905973223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4181518 + ... + 4182451.

It is an arithmetic number, because the mean of its divisors is an integer number (978584490).

Almost surely, 2^3905973523 is an apocalyptic number.

3905973523 is a deficient number, since it is larger than the sum of its proper divisors (8364437).

3905973523 is an equidigital number, since it uses as much as digits as its factorization.

3905973523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8364436.

The product of its (nonzero) digits is 765450, while the sum is 46.

The square root of 3905973523 is about 62497.7881448616. The cubic root of 3905973523 is about 1574.8641553115.

The spelling of 3905973523 in words is "three billion, nine hundred five million, nine hundred seventy-three thousand, five hundred twenty-three".