1945814716 has 12 divisors (see below), whose sum is σ = 3407889240. Its totient is φ = 972132080.

The previous prime is 1945814683. The next prime is 1945814723. The reversal of 1945814716 is 6174185491.

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, 188155 + ... + 198226.

It is an arithmetic number, because the mean of its divisors is an integer number (283990770).

Almost surely, 2^1945814716 is an apocalyptic number.

It is an amenable number.

1945814716 is a deficient number, since it is larger than the sum of its proper divisors (1462074524).

1945814716 is a wasteful number, since it uses less digits than its factorization.

1945814716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387644 (or 387642 counting only the distinct ones).

The product of its digits is 241920, while the sum is 46.

The square root of 1945814716 is about 44111.3898670173. The cubic root of 1945814716 is about 1248.4385229905.

The spelling of 1945814716 in words is "one billion, nine hundred forty-five million, eight hundred fourteen thousand, seven hundred sixteen".