2149797367 has 4 divisors (see below), whose sum is σ = 2179246720. Its totient is φ = 2120348016.

The previous prime is 2149797317. The next prime is 2149797379. The reversal of 2149797367 is 7637979412.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2149797367 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 (2149797317) 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, 14724567 + ... + 14724712.

It is an arithmetic number, because the mean of its divisors is an integer number (544811680).

Almost surely, 2^2149797367 is an apocalyptic number.

2149797367 is a deficient number, since it is larger than the sum of its proper divisors (29449353).

2149797367 is an equidigital number, since it uses as much as digits as its factorization.

2149797367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29449352.

The product of its digits is 4000752, while the sum is 55.

The square root of 2149797367 is about 46365.9073781588. The cubic root of 2149797367 is about 1290.6223319751.

The spelling of 2149797367 in words is "two billion, one hundred forty-nine million, seven hundred ninety-seven thousand, three hundred sixty-seven".