1101889049 has 2 divisors, whose sum is σ = 1101889050. Its totient is φ = 1101889048.

The previous prime is 1101889031. The next prime is 1101889067. The reversal of 1101889049 is 9409881011.

It is a balanced prime because it is at equal distance from previous prime (1101889031) and next prime (1101889067).

It can be written as a sum of positive squares in only one way, i.e., 727273024 + 374616025 = 26968^2 + 19355^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1101889049 is a prime.

It is a super-2 number, since 2×1101889049² = 2428318952612248802, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1101888997 and 1101889015.

It is not a weakly prime, because it can be changed into another prime (1101889849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550944524 + 550944525.

It is an arithmetic number, because the mean of its divisors is an integer number (550944525).

Almost surely, 2^1101889049 is an apocalyptic number.

It is an amenable number.

1101889049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101889049 is an equidigital number, since it uses as much as digits as its factorization.

1101889049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 41.

The square root of 1101889049 is about 33194.7141725908. The cubic root of 1101889049 is about 1032.8706950053.

The spelling of 1101889049 in words is "one billion, one hundred one million, eight hundred eighty-nine thousand, forty-nine".