1942682687 has 8 divisors (see below), whose sum is σ = 2119893120. Its totient is φ = 1765572760.

The previous prime is 1942682671. The next prime is 1942682689. The reversal of 1942682687 is 7862862491.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1942682687 - 2⁴ = 1942682671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1942682689) 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, 18614 + ... + 65052.

It is an arithmetic number, because the mean of its divisors is an integer number (264986640).

Almost surely, 2^1942682687 is an apocalyptic number.

1942682687 is a deficient number, since it is larger than the sum of its proper divisors (177210433).

1942682687 is a wasteful number, since it uses less digits than its factorization.

1942682687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50253.

The product of its digits is 2322432, while the sum is 53.

The square root of 1942682687 is about 44075.8742057375. The cubic root of 1942682687 is about 1247.7683246311.

The spelling of 1942682687 in words is "one billion, nine hundred forty-two million, six hundred eighty-two thousand, six hundred eighty-seven".