1099361953 has 2 divisors, whose sum is σ = 1099361954. Its totient is φ = 1099361952.

The previous prime is 1099361891. The next prime is 1099362029. The reversal of 1099361953 is 3591639901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1084253184 + 15108769 = 32928^2 + 3887^2 .

It is a cyclic number.

It is not a de Polignac number, because 1099361953 - 2²⁵ = 1065807521 is a prime.

It is not a weakly prime, because it can be changed into another prime (1099301953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 549680976 + 549680977.

It is an arithmetic number, because the mean of its divisors is an integer number (549680977).

Almost surely, 2^1099361953 is an apocalyptic number.

It is an amenable number.

1099361953 is a deficient number, since it is larger than the sum of its proper divisors (1).

1099361953 is an equidigital number, since it uses as much as digits as its factorization.

1099361953 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 196830, while the sum is 46.

The square root of 1099361953 is about 33156.6275878594. The cubic root of 1099361953 is about 1032.0804879961.

The spelling of 1099361953 in words is "one billion, ninety-nine million, three hundred sixty-one thousand, nine hundred fifty-three".