1149315619 has 2 divisors, whose sum is σ = 1149315620. Its totient is φ = 1149315618.

The previous prime is 1149315613. The next prime is 1149315659. The reversal of 1149315619 is 9165139411.

It is an a-pointer prime, because the next prime (1149315659) can be obtained adding 1149315619 to its sum of digits (40).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1149315619 - 2³ = 1149315611 is a prime.

It is a super-2 number, since 2×1149315619² = 2641852784154706322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1149315611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 574657809 + 574657810.

It is an arithmetic number, because the mean of its divisors is an integer number (574657810).

Almost surely, 2^1149315619 is an apocalyptic number.

1149315619 is a deficient number, since it is larger than the sum of its proper divisors (1).

1149315619 is an equidigital number, since it uses as much as digits as its factorization.

1149315619 is an evil number, because the sum of its binary digits is even.

The product of its digits is 29160, while the sum is 40.

The square root of 1149315619 is about 33901.5577665688. The cubic root of 1149315619 is about 1047.4816803870.

The spelling of 1149315619 in words is "one billion, one hundred forty-nine million, three hundred fifteen thousand, six hundred nineteen".