1489942875 has 64 divisors (see below), whose sum is σ = 2601870336. Its totient is φ = 755744000.

The previous prime is 1489942841. The next prime is 1489942901. The reversal of 1489942875 is 5782499841.

It is not a de Polignac number, because 1489942875 - 2²² = 1485748571 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1957495 + ... + 1958255.

It is an arithmetic number, because the mean of its divisors is an integer number (40654224).

Almost surely, 2^1489942875 is an apocalyptic number.

1489942875 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1489942875 is a deficient number, since it is larger than the sum of its proper divisors (1111927461).

1489942875 is a wasteful number, since it uses less digits than its factorization.

1489942875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1029 (or 1019 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 57.

The square root of 1489942875 is about 38599.7781729377. The cubic root of 1489942875 is about 1142.1501625420.

The spelling of 1489942875 in words is "one billion, four hundred eighty-nine million, nine hundred forty-two thousand, eight hundred seventy-five".