1942684881 has 8 divisors (see below), whose sum is σ = 2591249760. Its totient is φ = 1294621632.

The previous prime is 1942684879. The next prime is 1942684883. The reversal of 1942684881 is 1884862491.

It is an interprime number because it is at equal distance from previous prime (1942684879) and next prime (1942684883).

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

It is not a de Polignac number, because 1942684881 - 2¹ = 1942684879 is a prime.

It is a super-2 number, since 2×1942684881² = 7548049093731968322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1942684883) 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, 116275 + ... + 131928.

It is an arithmetic number, because the mean of its divisors is an integer number (323906220).

Almost surely, 2^1942684881 is an apocalyptic number.

It is an amenable number.

1942684881 is a deficient number, since it is larger than the sum of its proper divisors (648564879).

1942684881 is a wasteful number, since it uses less digits than its factorization.

1942684881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250815.

The product of its digits is 884736, while the sum is 51.

The square root of 1942684881 is about 44075.8990946299. The cubic root of 1942684881 is about 1247.7687943601.

The spelling of 1942684881 in words is "one billion, nine hundred forty-two million, six hundred eighty-four thousand, eight hundred eighty-one".