1108433994949 has 2 divisors, whose sum is σ = 1108433994950. Its totient is φ = 1108433994948.

The previous prime is 1108433994931. The next prime is 1108433994961. The reversal of 1108433994949 is 9494993348011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 746138346849 + 362295648100 = 863793^2 + 601910^2 .

It is a cyclic number.

It is not a de Polignac number, because 1108433994949 - 2³¹ = 1106286511301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1108433994449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 554216997474 + 554216997475.

It is an arithmetic number, because the mean of its divisors is an integer number (554216997475).

Almost surely, 2^{1108433994949} is an apocalyptic number.

It is an amenable number.

1108433994949 is a deficient number, since it is larger than the sum of its proper divisors (1).

1108433994949 is an equidigital number, since it uses as much as digits as its factorization.

1108433994949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30233088, while the sum is 64.

The spelling of 1108433994949 in words is "one trillion, one hundred eight billion, four hundred thirty-three million, nine hundred ninety-four thousand, nine hundred forty-nine".