1092768949 has 2 divisors, whose sum is σ = 1092768950. Its totient is φ = 1092768948.

The previous prime is 1092768947. The next prime is 1092768961. The reversal of 1092768949 is 9498672901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1010286225 + 82482724 = 31785^2 + 9082^2 .

It is a cyclic number.

It is not a de Polignac number, because 1092768949 - 2¹ = 1092768947 is a prime.

Together with 1092768947, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1092768949.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1092768947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 546384474 + 546384475.

It is an arithmetic number, because the mean of its divisors is an integer number (546384475).

Almost surely, 2^1092768949 is an apocalyptic number.

It is an amenable number.

1092768949 is a deficient number, since it is larger than the sum of its proper divisors (1).

1092768949 is an equidigital number, since it uses as much as digits as its factorization.

1092768949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1959552, while the sum is 55.

The square root of 1092768949 is about 33057.0559638937. The cubic root of 1092768949 is about 1030.0131801499.

The spelling of 1092768949 in words is "one billion, ninety-two million, seven hundred sixty-eight thousand, nine hundred forty-nine".