900370649 has 2 divisors, whose sum is σ = 900370650. Its totient is φ = 900370648.

The previous prime is 900370633. The next prime is 900370657. The reversal of 900370649 is 946073009.

900370649 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., 494751049 + 405619600 = 22243^2 + 20140^2 .

It is a cyclic number.

It is not a de Polignac number, because 900370649 - 2⁴ = 900370633 is a prime.

It is not a weakly prime, because it can be changed into another prime (900370699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 450185324 + 450185325.

It is an arithmetic number, because the mean of its divisors is an integer number (450185325).

Almost surely, 2^900370649 is an apocalyptic number.

It is an amenable number.

900370649 is a deficient number, since it is larger than the sum of its proper divisors (1).

900370649 is an equidigital number, since it uses as much as digits as its factorization.

900370649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 900370649 is about 30006.1768474426. The cubic root of 900370649 is about 965.6219062947.

The spelling of 900370649 in words is "nine hundred million, three hundred seventy thousand, six hundred forty-nine".