3922368991 has 4 divisors (see below), whose sum is σ = 3986670184. Its totient is φ = 3858067800.

The previous prime is 3922368977. The next prime is 3922368997. The reversal of 3922368991 is 1998632293.

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

It is a cyclic number.

It is not a de Polignac number, because 3922368991 - 2¹⁷ = 3922237919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3922368997) 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, 32150505 + ... + 32150626.

It is an arithmetic number, because the mean of its divisors is an integer number (996667546).

Almost surely, 2^3922368991 is an apocalyptic number.

3922368991 is a deficient number, since it is larger than the sum of its proper divisors (64301193).

3922368991 is an equidigital number, since it uses as much as digits as its factorization.

3922368991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64301192.

The product of its digits is 1259712, while the sum is 52.

The square root of 3922368991 is about 62628.8191729654. The cubic root of 3922368991 is about 1577.0645961691.

The spelling of 3922368991 in words is "three billion, nine hundred twenty-two million, three hundred sixty-eight thousand, nine hundred ninety-one".