1889151048 has 96 divisors (see below), whose sum is σ = 5233082400. Its totient is φ = 615527424.

The previous prime is 1889151007. The next prime is 1889151083. The reversal of 1889151048 is 8401519881.

1889151048 is a `hidden beast` number, since 1 + 8 + 8 + 91 + 510 + 48 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1889150994 and 1889151012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 578043 + ... + 581301.

It is an arithmetic number, because the mean of its divisors is an integer number (54511275).

Almost surely, 2^1889151048 is an apocalyptic number.

1889151048 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1889151048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2616541200).

1889151048 is an abundant number, since it is smaller than the sum of its proper divisors (3343931352).

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

1889151048 is a wasteful number, since it uses less digits than its factorization.

1889151048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3451 (or 3444 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 45.

The square root of 1889151048 is about 43464.3652662730. The cubic root of 1889151048 is about 1236.2004419325.

The spelling of 1889151048 in words is "one billion, eight hundred eighty-nine million, one hundred fifty-one thousand, forty-eight".