1945643348 has 12 divisors (see below), whose sum is σ = 3714410112. Its totient is φ = 884383320.

The previous prime is 1945643327. The next prime is 1945643383. The reversal of 1945643348 is 8433465491.

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, 22109540 + ... + 22109627.

It is an arithmetic number, because the mean of its divisors is an integer number (309534176).

Almost surely, 2^1945643348 is an apocalyptic number.

It is an amenable number.

1945643348 is a deficient number, since it is larger than the sum of its proper divisors (1768766764).

1945643348 is a wasteful number, since it uses less digits than its factorization.

1945643348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44219182 (or 44219180 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 47.

The square root of 1945643348 is about 44109.4473780844. The cubic root of 1945643348 is about 1248.4018719000.

The spelling of 1945643348 in words is "one billion, nine hundred forty-five million, six hundred forty-three thousand, three hundred forty-eight".