911000749 has 2 divisors, whose sum is σ = 911000750. Its totient is φ = 911000748.

The previous prime is 911000747. The next prime is 911000803. The reversal of 911000749 is 947000119.

911000749 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 579942724 + 331058025 = 24082^2 + 18195^2 .

It is a cyclic number.

It is not a de Polignac number, because 911000749 - 2¹ = 911000747 is a prime.

It is a super-2 number, since 2×911000749² = 1659844729357122002, which contains 22 as substring.

Together with 911000747, 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 911000749.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (911000747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 455500374 + 455500375.

It is an arithmetic number, because the mean of its divisors is an integer number (455500375).

Almost surely, 2^911000749 is an apocalyptic number.

It is an amenable number.

911000749 is a deficient number, since it is larger than the sum of its proper divisors (1).

911000749 is an equidigital number, since it uses as much as digits as its factorization.

911000749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 31.

The square root of 911000749 is about 30182.7889533091. The cubic root of 911000749 is about 969.4072082149.

The spelling of 911000749 in words is "nine hundred eleven million, seven hundred forty-nine", and thus it is an aban number.