1881951052 has 12 divisors (see below), whose sum is σ = 3315226096. Its totient is φ = 934743600.

The previous prime is 1881951041. The next prime is 1881951059. The reversal of 1881951052 is 2501591881.

It is a junction number, because it is equal to n+sod(n) for n = 1881950996 and 1881951014.

It is not an unprimeable number, because it can be changed into a prime (1881951059) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1557303 + ... + 1558510.

Almost surely, 2^1881951052 is an apocalyptic number.

It is an amenable number.

1881951052 is a deficient number, since it is larger than the sum of its proper divisors (1433275044).

1881951052 is a wasteful number, since it uses less digits than its factorization.

1881951052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3115968 (or 3115966 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 40.

The square root of 1881951052 is about 43381.4597725803. The cubic root of 1881951052 is about 1234.6279596404.

The spelling of 1881951052 in words is "one billion, eight hundred eighty-one million, nine hundred fifty-one thousand, fifty-two".