906913949 has 2 divisors, whose sum is σ = 906913950. Its totient is φ = 906913948.

The previous prime is 906913933. The next prime is 906913961. The reversal of 906913949 is 949319609.

It is a happy number.

906913949 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 893591449 + 13322500 = 29893^2 + 3650^2 .

It is a cyclic number.

It is not a de Polignac number, because 906913949 - 2⁴ = 906913933 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 906913897 and 906913906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (906913849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 453456974 + 453456975.

It is an arithmetic number, because the mean of its divisors is an integer number (453456975).

Almost surely, 2^906913949 is an apocalyptic number.

It is an amenable number.

906913949 is a deficient number, since it is larger than the sum of its proper divisors (1).

906913949 is an equidigital number, since it uses as much as digits as its factorization.

906913949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 472392, while the sum is 50.

The square root of 906913949 is about 30115.0120205853. The cubic root of 906913949 is about 967.9554302527.

The spelling of 906913949 in words is "nine hundred six million, nine hundred thirteen thousand, nine hundred forty-nine".