1945934608 has 30 divisors (see below), whose sum is σ = 3852243086. Its totient is φ = 952248576.

The previous prime is 1945934603. The next prime is 1945934611. The reversal of 1945934608 is 8064395491.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1357775104 + 588159504 = 36848^2 + 24252^2 .

It is a super-2 number, since 2×1945934608² = 7573322997224227328, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1945934603) 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 5 ways as a sum of consecutive naturals, for example, 7816 + ... + 62872.

Almost surely, 2^1945934608 is an apocalyptic number.

It is an amenable number.

1945934608 is a deficient number, since it is larger than the sum of its proper divisors (1906308478).

1945934608 is an equidigital number, since it uses as much as digits as its factorization.

1945934608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55159 (or 55106 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 49.

The square root of 1945934608 is about 44112.7488148268. The cubic root of 1945934608 is about 1248.4641634444.

The spelling of 1945934608 in words is "one billion, nine hundred forty-five million, nine hundred thirty-four thousand, six hundred eight".