11046591649 has 2 divisors, whose sum is σ = 11046591650. Its totient is φ = 11046591648.

The previous prime is 11046591643. The next prime is 11046591671. The reversal of 11046591649 is 94619564011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7230441024 + 3816150625 = 85032^2 + 61775^2 .

It is a cyclic number.

It is not a de Polignac number, because 11046591649 - 2³ = 11046591641 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11046591599 and 11046591608.

It is not a weakly prime, because it can be changed into another prime (11046591641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5523295824 + 5523295825.

It is an arithmetic number, because the mean of its divisors is an integer number (5523295825).

Almost surely, 2^11046591649 is an apocalyptic number.

It is an amenable number.

11046591649 is a deficient number, since it is larger than the sum of its proper divisors (1).

11046591649 is an equidigital number, since it uses as much as digits as its factorization.

11046591649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 233280, while the sum is 46.

The spelling of 11046591649 in words is "eleven billion, forty-six million, five hundred ninety-one thousand, six hundred forty-nine".