1896669542 has 32 divisors (see below), whose sum is σ = 3039616800. Its totient is φ = 886007808.

The previous prime is 1896669529. The next prime is 1896669557. The reversal of 1896669542 is 2459666981.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 268358 + ... + 275334.

It is an arithmetic number, because the mean of its divisors is an integer number (94988025).

Almost surely, 2^1896669542 is an apocalyptic number.

1896669542 is a deficient number, since it is larger than the sum of its proper divisors (1142947258).

1896669542 is a wasteful number, since it uses less digits than its factorization.

1896669542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7160.

The product of its digits is 5598720, while the sum is 56.

The square root of 1896669542 is about 43550.7697061717. The cubic root of 1896669542 is about 1237.8382257079.

The spelling of 1896669542 in words is "one billion, eight hundred ninety-six million, six hundred sixty-nine thousand, five hundred forty-two".