2949893867 has 2 divisors, whose sum is σ = 2949893868. Its totient is φ = 2949893866.

The previous prime is 2949893851. The next prime is 2949893917. The reversal of 2949893867 is 7683989492.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2949893867 - 2⁴ = 2949893851 is a prime.

It is not a weakly prime, because it can be changed into another prime (2949893827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1474946933 + 1474946934.

It is an arithmetic number, because the mean of its divisors is an integer number (1474946934).

Almost surely, 2^2949893867 is an apocalyptic number.

2949893867 is a deficient number, since it is larger than the sum of its proper divisors (1).

2949893867 is an equidigital number, since it uses as much as digits as its factorization.

2949893867 is an evil number, because the sum of its binary digits is even.

The product of its digits is 47029248, while the sum is 65.

The square root of 2949893867 is about 54312.9254137540. The cubic root of 2949893867 is about 1434.1749423629.

The spelling of 2949893867 in words is "two billion, nine hundred forty-nine million, eight hundred ninety-three thousand, eight hundred sixty-seven".