1149367913 has 2 divisors, whose sum is σ = 1149367914. Its totient is φ = 1149367912.

The previous prime is 1149367897. The next prime is 1149368053. The reversal of 1149367913 is 3197639411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 720546649 + 428821264 = 26843^2 + 20708^2 .

It is a cyclic number.

It is not a de Polignac number, because 1149367913 - 2⁴ = 1149367897 is a prime.

It is not a weakly prime, because it can be changed into another prime (1149364913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 574683956 + 574683957.

It is an arithmetic number, because the mean of its divisors is an integer number (574683957).

Almost surely, 2^1149367913 is an apocalyptic number.

It is an amenable number.

1149367913 is a deficient number, since it is larger than the sum of its proper divisors (1).

1149367913 is an equidigital number, since it uses as much as digits as its factorization.

1149367913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 122472, while the sum is 44.

The square root of 1149367913 is about 33902.3290202900. The cubic root of 1149367913 is about 1047.4975669939.

The spelling of 1149367913 in words is "one billion, one hundred forty-nine million, three hundred sixty-seven thousand, nine hundred thirteen".