890270027649 has 16 divisors (see below), whose sum is σ = 1318985472000. Its totient is φ = 593483241168.

The previous prime is 890270027641. The next prime is 890270027683. The reversal of 890270027649 is 946720072098.

It is not a de Polignac number, because 890270027649 - 2³ = 890270027641 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 890270027595 and 890270027604.

It is not an unprimeable number, because it can be changed into a prime (890270027641) 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 15 ways as a sum of consecutive naturals, for example, 287809 + ... + 1365054.

It is an arithmetic number, because the mean of its divisors is an integer number (82436592000).

Almost surely, 2^890270027649 is an apocalyptic number.

It is an amenable number.

890270027649 is a deficient number, since it is larger than the sum of its proper divisors (428715444351).

890270027649 is a wasteful number, since it uses less digits than its factorization.

890270027649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1672821 (or 1672815 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 54.

The spelling of 890270027649 in words is "eight hundred ninety billion, two hundred seventy million, twenty-seven thousand, six hundred forty-nine".