3926773945 has 4 divisors (see below), whose sum is σ = 4712128740. Its totient is φ = 3141419152.

The previous prime is 3926773927. The next prime is 3926773993. The reversal of 3926773945 is 5493776293.

3926773945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5493776293 = 97 ⋅56636869.

It can be written as a sum of positive squares in 2 ways, for example, as 938074384 + 2988699561 = 30628^2 + 54669^2 .

It is a cyclic number.

It is not a de Polignac number, because 3926773945 - 2¹⁵ = 3926741177 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 392677390 + ... + 392677399.

It is an arithmetic number, because the mean of its divisors is an integer number (1178032185).

Almost surely, 2^3926773945 is an apocalyptic number.

It is an amenable number.

3926773945 is a deficient number, since it is larger than the sum of its proper divisors (785354795).

3926773945 is an equidigital number, since it uses as much as digits as its factorization.

3926773945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785354794.

The product of its digits is 8573040, while the sum is 55.

The square root of 3926773945 is about 62663.9764537808. The cubic root of 3926773945 is about 1577.6547410624.

The spelling of 3926773945 in words is "three billion, nine hundred twenty-six million, seven hundred seventy-three thousand, nine hundred forty-five".