4490990623843 has 2 divisors, whose sum is σ = 4490990623844. Its totient is φ = 4490990623842.

The previous prime is 4490990623817. The next prime is 4490990623877. The reversal of 4490990623843 is 3483260990944.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4490990623843 is a prime.

It is not a weakly prime, because it can be changed into another prime (4490990623043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2245495311921 + 2245495311922.

It is an arithmetic number, because the mean of its divisors is an integer number (2245495311922).

Almost surely, 2^{4490990623843} is an apocalyptic number.

4490990623843 is a deficient number, since it is larger than the sum of its proper divisors (1).

4490990623843 is an equidigital number, since it uses as much as digits as its factorization.

4490990623843 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40310784, while the sum is 61.

The spelling of 4490990623843 in words is "four trillion, four hundred ninety billion, nine hundred ninety million, six hundred twenty-three thousand, eight hundred forty-three".