900949471 has 2 divisors, whose sum is σ = 900949472. Its totient is φ = 900949470.

The previous prime is 900949453. The next prime is 900949501. The reversal of 900949471 is 174949009.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-900949471 is a prime.

It is a super-3 number, since 3×900949471³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (900949271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 450474735 + 450474736.

It is an arithmetic number, because the mean of its divisors is an integer number (450474736).

Almost surely, 2^900949471 is an apocalyptic number.

900949471 is a deficient number, since it is larger than the sum of its proper divisors (1).

900949471 is an equidigital number, since it uses as much as digits as its factorization.

900949471 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 43.

The square root of 900949471 is about 30015.8203452779. The cubic root of 900949471 is about 965.8287853448.

The spelling of 900949471 in words is "nine hundred million, nine hundred forty-nine thousand, four hundred seventy-one".