1946109442 has 32 divisors (see below), whose sum is σ = 3246822144. Its totient is φ = 870144000.

The previous prime is 1946109421. The next prime is 1946109443. The reversal of 1946109442 is 2449016491.

It is a junction number, because it is equal to n+sod(n) for n = 1946109395 and 1946109404.

It is not an unprimeable number, because it can be changed into a prime (1946109443) 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 15 ways as a sum of consecutive naturals, for example, 109842 + ... + 126322.

It is an arithmetic number, because the mean of its divisors is an integer number (101463192).

Almost surely, 2^1946109442 is an apocalyptic number.

1946109442 is a deficient number, since it is larger than the sum of its proper divisors (1300712702).

1946109442 is a wasteful number, since it uses less digits than its factorization.

1946109442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16674.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 1946109442 is about 44114.7304423364. The cubic root of 1946109442 is about 1248.5015520675.

The spelling of 1946109442 in words is "one billion, nine hundred forty-six million, one hundred nine thousand, four hundred forty-two".