3961822694 has 16 divisors (see below), whose sum is σ = 6090010368. Its totient is φ = 1932393672.

The previous prime is 3961822687. The next prime is 3961822699. The reversal of 3961822694 is 4962281693.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3961822699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129722 + ... + 157325.

It is an arithmetic number, because the mean of its divisors is an integer number (380625648).

Almost surely, 2^3961822694 is an apocalyptic number.

3961822694 is a deficient number, since it is larger than the sum of its proper divisors (2128187674).

3961822694 is a wasteful number, since it uses less digits than its factorization.

3961822694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287219.

The product of its digits is 1119744, while the sum is 50.

The square root of 3961822694 is about 62943.0114786384. The cubic root of 3961822694 is about 1582.3346745888.

The spelling of 3961822694 in words is "three billion, nine hundred sixty-one million, eight hundred twenty-two thousand, six hundred ninety-four".