1942628943 has 4 divisors (see below), whose sum is σ = 2590171928. Its totient is φ = 1295085960.

The previous prime is 1942628929. The next prime is 1942628983. The reversal of 1942628943 is 3498262491.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1942628943 - 2⁴ = 1942628927 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1942628892 and 1942628901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1942628903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 323771488 + ... + 323771493.

It is an arithmetic number, because the mean of its divisors is an integer number (647542982).

Almost surely, 2^1942628943 is an apocalyptic number.

1942628943 is a deficient number, since it is larger than the sum of its proper divisors (647542985).

1942628943 is an equidigital number, since it uses as much as digits as its factorization.

1942628943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647542984.

The product of its digits is 746496, while the sum is 48.

The square root of 1942628943 is about 44075.2645255817. The cubic root of 1942628943 is about 1247.7568180892.

The spelling of 1942628943 in words is "one billion, nine hundred forty-two million, six hundred twenty-eight thousand, nine hundred forty-three".