1162267649 has 2 divisors, whose sum is σ = 1162267650. Its totient is φ = 1162267648.

The previous prime is 1162267621. The next prime is 1162267669. The reversal of 1162267649 is 9467622611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1116027649 + 46240000 = 33407^2 + 6800^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1162267649 is a prime.

It is a super-3 number, since 3×1162267649³ (a number of 28 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1162267669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 581133824 + 581133825.

It is an arithmetic number, because the mean of its divisors is an integer number (581133825).

Almost surely, 2^1162267649 is an apocalyptic number.

It is an amenable number.

1162267649 is a deficient number, since it is larger than the sum of its proper divisors (1).

1162267649 is an equidigital number, since it uses as much as digits as its factorization.

1162267649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 44.

The square root of 1162267649 is about 34092.0467118066. The cubic root of 1162267649 is about 1051.4018008622.

The spelling of 1162267649 in words is "one billion, one hundred sixty-two million, two hundred sixty-seven thousand, six hundred forty-nine".