1945195234 has 16 divisors (see below), whose sum is σ = 2937741696. Its totient is φ = 965969200.

The previous prime is 1945195229. The next prime is 1945195237. The reversal of 1945195234 is 4325915491.

It is not an unprimeable number, because it can be changed into a prime (1945195237) 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 7 ways as a sum of consecutive naturals, for example, 190704 + ... + 200644.

It is an arithmetic number, because the mean of its divisors is an integer number (183608856).

Almost surely, 2^1945195234 is an apocalyptic number.

1945195234 is a deficient number, since it is larger than the sum of its proper divisors (992546462).

1945195234 is a wasteful number, since it uses less digits than its factorization.

1945195234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10601.

The product of its digits is 194400, while the sum is 43.

The square root of 1945195234 is about 44104.3675161542. The cubic root of 1945195234 is about 1248.3060219744.

The spelling of 1945195234 in words is "one billion, nine hundred forty-five million, one hundred ninety-five thousand, two hundred thirty-four".