900414643 has 2 divisors, whose sum is σ = 900414644. Its totient is φ = 900414642.

The previous prime is 900414629. The next prime is 900414677. The reversal of 900414643 is 346414009.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 900414643 - 2⁵ = 900414611 is a prime.

It is not a weakly prime, because it can be changed into another prime (900414343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 450207321 + 450207322.

It is an arithmetic number, because the mean of its divisors is an integer number (450207322).

Almost surely, 2^900414643 is an apocalyptic number.

900414643 is a deficient number, since it is larger than the sum of its proper divisors (1).

900414643 is an equidigital number, since it uses as much as digits as its factorization.

900414643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 900414643 is about 30006.9099208832. The cubic root of 900414643 is about 965.6376334763.

The spelling of 900414643 in words is "nine hundred million, four hundred fourteen thousand, six hundred forty-three".