2627489890 has 8 divisors (see below), whose sum is σ = 4729481820. Its totient is φ = 1050995952.

The previous prime is 2627489881. The next prime is 2627489897. The reversal of 2627489890 is 989847262.

It can be written as a sum of positive squares in 2 ways, for example, as 2441249281 + 186240609 = 49409^2 + 13647^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2627489897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131374485 + ... + 131374504.

Almost surely, 2^2627489890 is an apocalyptic number.

2627489890 is a deficient number, since it is larger than the sum of its proper divisors (2101991930).

2627489890 is a wasteful number, since it uses less digits than its factorization.

2627489890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262748996.

The product of its (nonzero) digits is 3483648, while the sum is 55.

The square root of 2627489890 is about 51259.0469088141. The cubic root of 2627489890 is about 1379.8981038676.

The spelling of 2627489890 in words is "two billion, six hundred twenty-seven million, four hundred eighty-nine thousand, eight hundred ninety".