2990890863 has 12 divisors (see below), whose sum is σ = 4320771000. Its totient is φ = 1993652496.

The previous prime is 2990890853. The next prime is 2990890867. The reversal of 2990890863 is 3680980992.

It is not a de Polignac number, because 2990890863 - 2⁹ = 2990890351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2990890867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63013 + ... + 99761.

It is an arithmetic number, because the mean of its divisors is an integer number (360064250).

Almost surely, 2^2990890863 is an apocalyptic number.

2990890863 is a deficient number, since it is larger than the sum of its proper divisors (1329880137).

2990890863 is a wasteful number, since it uses less digits than its factorization.

2990890863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45798 (or 45795 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 54.

The square root of 2990890863 is about 54689.0378686625. The cubic root of 2990890863 is about 1440.7883516007.

The spelling of 2990890863 in words is "two billion, nine hundred ninety million, eight hundred ninety thousand, eight hundred sixty-three".