900750449 has 4 divisors (see below), whose sum is σ = 939913536. Its totient is φ = 861587364.

The previous prime is 900750437. The next prime is 900750451. The reversal of 900750449 is 944057009.

900750449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-900750449 is a prime.

It is a super-2 number, since 2×900750449² = 1622702742747403202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (900750419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19581509 + ... + 19581554.

It is an arithmetic number, because the mean of its divisors is an integer number (234978384).

Almost surely, 2^900750449 is an apocalyptic number.

It is an amenable number.

900750449 is a deficient number, since it is larger than the sum of its proper divisors (39163087).

900750449 is a wasteful number, since it uses less digits than its factorization.

900750449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39163086.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 900750449 is about 30012.5048771341. The cubic root of 900750449 is about 965.7576621063.

The spelling of 900750449 in words is "nine hundred million, seven hundred fifty thousand, four hundred forty-nine".