1889905130 has 64 divisors (see below), whose sum is σ = 3651931008. Its totient is φ = 701706240.

The previous prime is 1889905117. The next prime is 1889905159. The reversal of 1889905130 is 315099881.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6677969 + ... + 6678251.

It is an arithmetic number, because the mean of its divisors is an integer number (57061422).

Almost surely, 2^1889905130 is an apocalyptic number.

1889905130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1889905130 is a deficient number, since it is larger than the sum of its proper divisors (1762025878).

1889905130 is a wasteful number, since it uses less digits than its factorization.

1889905130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711.

The product of its (nonzero) digits is 77760, while the sum is 44.

The square root of 1889905130 is about 43473.0391162155. The cubic root of 1889905130 is about 1236.3649024887.

The spelling of 1889905130 in words is "one billion, eight hundred eighty-nine million, nine hundred five thousand, one hundred thirty".