1945634608 has 20 divisors (see below), whose sum is σ = 3772244920. Its totient is φ = 972152064.

The previous prime is 1945634597. The next prime is 1945634627. The reversal of 1945634608 is 8064365491.

It is a zygodrome in base 2.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17010 + ... + 64657.

It is an arithmetic number, because the mean of its divisors is an integer number (188612246).

Almost surely, 2^1945634608 is an apocalyptic number.

It is an amenable number.

1945634608 is a deficient number, since it is larger than the sum of its proper divisors (1826610312).

1945634608 is a wasteful number, since it uses less digits than its factorization.

1945634608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83164 (or 83158 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 46.

The square root of 1945634608 is about 44109.3483062264. The cubic root of 1945634608 is about 1248.4000025871.

The spelling of 1945634608 in words is "one billion, nine hundred forty-five million, six hundred thirty-four thousand, six hundred eight".