1945434964 has 12 divisors (see below), whose sum is σ = 3714012288. Its totient is φ = 884288600.

The previous prime is 1945434949. The next prime is 1945434973. The reversal of 1945434964 is 4694345491.

It is a congruent number.

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, 22107172 + ... + 22107259.

It is an arithmetic number, because the mean of its divisors is an integer number (309501024).

Almost surely, 2^1945434964 is an apocalyptic number.

It is an amenable number.

1945434964 is a deficient number, since it is larger than the sum of its proper divisors (1768577324).

1945434964 is a wasteful number, since it uses less digits than its factorization.

1945434964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44214446 (or 44214444 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 49.

The square root of 1945434964 is about 44107.0851904771. The cubic root of 1945434964 is about 1248.3573011648.

The spelling of 1945434964 in words is "one billion, nine hundred forty-five million, four hundred thirty-four thousand, nine hundred sixty-four".