904044749 has 2 divisors, whose sum is σ = 904044750. Its totient is φ = 904044748.

The previous prime is 904044737. The next prime is 904044763. The reversal of 904044749 is 947440409.

904044749 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., 645414025 + 258630724 = 25405^2 + 16082^2 .

It is a cyclic number.

It is not a de Polignac number, because 904044749 - 2⁴ = 904044733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (904040749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 452022374 + 452022375.

It is an arithmetic number, because the mean of its divisors is an integer number (452022375).

Almost surely, 2^904044749 is an apocalyptic number.

It is an amenable number.

904044749 is a deficient number, since it is larger than the sum of its proper divisors (1).

904044749 is an equidigital number, since it uses as much as digits as its factorization.

904044749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 904044749 is about 30067.3369123373. The cubic root of 904044749 is about 966.9335796564.

The spelling of 904044749 in words is "nine hundred four million, forty-four thousand, seven hundred forty-nine".