3926396545 has 4 divisors (see below), whose sum is σ = 4711675860. Its totient is φ = 3141117232.

The previous prime is 3926396533. The next prime is 3926396561. The reversal of 3926396545 is 5456936293.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 790284544 + 3136112001 = 28112^2 + 56001^2 .

It is a cyclic number.

It is not a de Polignac number, because 3926396545 - 2¹⁹ = 3925872257 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3926396492 and 3926396501.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 392639650 + ... + 392639659.

It is an arithmetic number, because the mean of its divisors is an integer number (1177918965).

Almost surely, 2^3926396545 is an apocalyptic number.

It is an amenable number.

3926396545 is a deficient number, since it is larger than the sum of its proper divisors (785279315).

3926396545 is an equidigital number, since it uses as much as digits as its factorization.

3926396545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785279314.

The product of its digits is 5248800, while the sum is 52.

The square root of 3926396545 is about 62660.9650819392. The cubic root of 3926396545 is about 1577.6041969445.

The spelling of 3926396545 in words is "three billion, nine hundred twenty-six million, three hundred ninety-six thousand, five hundred forty-five".