1875649842 has 24 divisors (see below), whose sum is σ = 4433354640. Its totient is φ = 568378680.

The previous prime is 1875649817. The next prime is 1875649859. The reversal of 1875649842 is 2489465781.

It is a happy number.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4736292 + ... + 4736687.

It is an arithmetic number, because the mean of its divisors is an integer number (184723110).

Almost surely, 2^1875649842 is an apocalyptic number.

1875649842 is an abundant number, since it is smaller than the sum of its proper divisors (2557704798).

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

1875649842 is a wasteful number, since it uses less digits than its factorization.

1875649842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9472998 (or 9472995 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 54.

The square root of 1875649842 is about 43308.7732682421. The cubic root of 1875649842 is about 1233.2484783272.

The spelling of 1875649842 in words is "one billion, eight hundred seventy-five million, six hundred forty-nine thousand, eight hundred forty-two".