1100992649 has 2 divisors, whose sum is σ = 1100992650. Its totient is φ = 1100992648.

The previous prime is 1100992637. The next prime is 1100992733. The reversal of 1100992649 is 9462990011.

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., 919605625 + 181387024 = 30325^2 + 13468^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1100992649 is a prime.

It is not a weakly prime, because it can be changed into another prime (1100992619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550496324 + 550496325.

It is an arithmetic number, because the mean of its divisors is an integer number (550496325).

Almost surely, 2^1100992649 is an apocalyptic number.

It is an amenable number.

1100992649 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100992649 is an equidigital number, since it uses as much as digits as its factorization.

1100992649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34992, while the sum is 41.

The square root of 1100992649 is about 33181.2092757332. The cubic root of 1100992649 is about 1032.5905347741.

The spelling of 1100992649 in words is "one billion, one hundred million, nine hundred ninety-two thousand, six hundred forty-nine".