8013867049 has 2 divisors, whose sum is σ = 8013867050. Its totient is φ = 8013867048.

The previous prime is 8013867041. The next prime is 8013867061. The reversal of 8013867049 is 9407683108.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7968775824 + 45091225 = 89268^2 + 6715^2 .

It is a cyclic number.

It is not a de Polignac number, because 8013867049 - 2³ = 8013867041 is a prime.

It is not a weakly prime, because it can be changed into another prime (8013867041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4006933524 + 4006933525.

It is an arithmetic number, because the mean of its divisors is an integer number (4006933525).

Almost surely, 2^8013867049 is an apocalyptic number.

It is an amenable number.

8013867049 is a deficient number, since it is larger than the sum of its proper divisors (1).

8013867049 is an equidigital number, since it uses as much as digits as its factorization.

8013867049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 8013867049 is about 89520.2046970403. The cubic root of 8013867049 is about 2001.1549203678.

The spelling of 8013867049 in words is "eight billion, thirteen million, eight hundred sixty-seven thousand, forty-nine".