1116763649 has 2 divisors, whose sum is σ = 1116763650. Its totient is φ = 1116763648.

The previous prime is 1116763591. The next prime is 1116763667. The reversal of 1116763649 is 9463676111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 930250000 + 186513649 = 30500^2 + 13657^2 .

It is a cyclic number.

It is not a de Polignac number, because 1116763649 - 2¹⁶ = 1116698113 is a prime.

It is a super-2 number, since 2×1116763649² = 2494322095455590402, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1116763679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 558381824 + 558381825.

It is an arithmetic number, because the mean of its divisors is an integer number (558381825).

Almost surely, 2^1116763649 is an apocalyptic number.

It is an amenable number.

1116763649 is a deficient number, since it is larger than the sum of its proper divisors (1).

1116763649 is an equidigital number, since it uses as much as digits as its factorization.

1116763649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 163296, while the sum is 44.

The square root of 1116763649 is about 33418.0138398439. The cubic root of 1116763649 is about 1037.4975735948.

The spelling of 1116763649 in words is "one billion, one hundred sixteen million, seven hundred sixty-three thousand, six hundred forty-nine".