900769949 has 2 divisors, whose sum is σ = 900769950. Its totient is φ = 900769948.

The previous prime is 900769937. The next prime is 900769963. The reversal of 900769949 is 949967009.

900769949 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., 556110724 + 344659225 = 23582^2 + 18565^2 .

It is an emirp because it is prime and its reverse (949967009) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 900769949 - 2⁸ = 900769693 is a prime.

It is a super-2 number, since 2×900769949² = 1622773002042925202, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 900769949.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (900769049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 450384974 + 450384975.

It is an arithmetic number, because the mean of its divisors is an integer number (450384975).

Almost surely, 2^900769949 is an apocalyptic number.

It is an amenable number.

900769949 is a deficient number, since it is larger than the sum of its proper divisors (1).

900769949 is an equidigital number, since it uses as much as digits as its factorization.

900769949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1102248, while the sum is 53.

The square root of 900769949 is about 30012.8297399629. The cubic root of 900769949 is about 965.7646311614.

The spelling of 900769949 in words is "nine hundred million, seven hundred sixty-nine thousand, nine hundred forty-nine".