1945579654 has 16 divisors (see below), whose sum is σ = 3189718656. Its totient is φ = 886032000.

The previous prime is 1945579633. The next prime is 1945579697. The reversal of 1945579654 is 4569755491.

It is a junction number, because it is equal to n+sod(n) for n = 1945579595 and 1945579604.

It is a congruent number.

It is an unprimeable number.

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, 921897 + ... + 924004.

It is an arithmetic number, because the mean of its divisors is an integer number (199357416).

Almost surely, 2^1945579654 is an apocalyptic number.

1945579654 is a deficient number, since it is larger than the sum of its proper divisors (1244139002).

1945579654 is a wasteful number, since it uses less digits than its factorization.

1945579654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1845951.

The product of its digits is 6804000, while the sum is 55.

The square root of 1945579654 is about 44108.7253726516. The cubic root of 1945579654 is about 1248.3882488866.

The spelling of 1945579654 in words is "one billion, nine hundred forty-five million, five hundred seventy-nine thousand, six hundred fifty-four".