1934705664 has 66 divisors (see below), whose sum is σ = 5586447230. Its totient is φ = 644898816.

The previous prime is 1934705653. The next prime is 1934705671. The reversal of 1934705664 is 4665074391.

1934705664 is a `hidden beast` number, since 19 + 3 + 4 + 70 + 566 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1882865664 + 51840000 = 43392^2 + 7200^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 95749 + ... + 114180.

Almost surely, 2^1934705664 is an apocalyptic number.

It is an amenable number.

1934705664 is an abundant number, since it is smaller than the sum of its proper divisors (3651741566).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1934705664 is a wasteful number, since it uses less digits than its factorization.

1934705664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209955 (or 209934 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The square root of 1934705664 is about 43985.2891771783. The cubic root of 1934705664 is about 1246.0581240110.

The spelling of 1934705664 in words is "one billion, nine hundred thirty-four million, seven hundred five thousand, six hundred sixty-four".