4021791367 has 4 divisors (see below), whose sum is σ = 4387408776. Its totient is φ = 3656173960.

The previous prime is 4021791359. The next prime is 4021791383. The reversal of 4021791367 is 7631971204.

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 4021791367 - 2³ = 4021791359 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 (4021591367) 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, 182808688 + ... + 182808709.

It is an arithmetic number, because the mean of its divisors is an integer number (1096852194).

Almost surely, 2^4021791367 is an apocalyptic number.

4021791367 is a deficient number, since it is larger than the sum of its proper divisors (365617409).

4021791367 is a wasteful number, since it uses less digits than its factorization.

4021791367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365617408.

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 4021791367 is about 63417.5950900064. The cubic root of 4021791367 is about 1590.2784696132.

The spelling of 4021791367 in words is "four billion, twenty-one million, seven hundred ninety-one thousand, three hundred sixty-seven".