2089451550 has 24 divisors (see below), whose sum is σ = 5181840216. Its totient is φ = 557187040.

The previous prime is 2089451519. The next prime is 2089451563. The reversal of 2089451550 is 551549802.

It is a junction number, because it is equal to n+sod(n) for n = 2089451499 and 2089451508.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 6964689 + ... + 6964988.

It is an arithmetic number, because the mean of its divisors is an integer number (215910009).

Almost surely, 2^2089451550 is an apocalyptic number.

2089451550 is an abundant number, since it is smaller than the sum of its proper divisors (3092388666).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2089451550 is a wasteful number, since it uses less digits than its factorization.

2089451550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13929692 (or 13929687 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 39.

The square root of 2089451550 is about 45710.5190300876. The cubic root of 2089451550 is about 1278.4314179959.

The spelling of 2089451550 in words is "two billion, eighty-nine million, four hundred fifty-one thousand, five hundred fifty".