1873268642 has 16 divisors (see below), whose sum is σ = 3263963712. Its totient is φ = 789667920.

The previous prime is 1873268627. The next prime is 1873268647. The reversal of 1873268642 is 2468623781.

It is not an unprimeable number, because it can be changed into a prime (1873268647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1095908 + ... + 1097615.

It is an arithmetic number, because the mean of its divisors is an integer number (203997732).

Almost surely, 2^1873268642 is an apocalyptic number.

1873268642 is a deficient number, since it is larger than the sum of its proper divisors (1390695070).

1873268642 is a wasteful number, since it uses less digits than its factorization.

1873268642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2193593.

The product of its digits is 774144, while the sum is 47.

The square root of 1873268642 is about 43281.2735718347. The cubic root of 1873268642 is about 1232.7263739705.

The spelling of 1873268642 in words is "one billion, eight hundred seventy-three million, two hundred sixty-eight thousand, six hundred forty-two".