2119947367 has 2 divisors, whose sum is σ = 2119947368. Its totient is φ = 2119947366.

The previous prime is 2119947341. The next prime is 2119947397. The reversal of 2119947367 is 7637499112.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2119947367 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2119947367.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2119947317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1059973683 + 1059973684.

It is an arithmetic number, because the mean of its divisors is an integer number (1059973684).

Almost surely, 2^2119947367 is an apocalyptic number.

2119947367 is a deficient number, since it is larger than the sum of its proper divisors (1).

2119947367 is an equidigital number, since it uses as much as digits as its factorization.

2119947367 is an evil number, because the sum of its binary digits is even.

The product of its digits is 571536, while the sum is 49.

The square root of 2119947367 is about 46042.8861714815. The cubic root of 2119947367 is about 1284.6210264896.

The spelling of 2119947367 in words is "two billion, one hundred nineteen million, nine hundred forty-seven thousand, three hundred sixty-seven".