1945175292712 has 16 divisors (see below), whose sum is σ = 3653153444340. Its totient is φ = 971001040896.

The previous prime is 1945175292679. The next prime is 1945175292757. The reversal of 1945175292712 is 2172925715491.

It can be written as a sum of positive squares in 2 ways, for example, as 1653914314116 + 291260978596 = 1286046^2 + 539686^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 198320473 + ... + 198330280.

Almost surely, 2^{1945175292712} is an apocalyptic number.

It is an amenable number.

1945175292712 is a deficient number, since it is larger than the sum of its proper divisors (1707978151628).

1945175292712 is a wasteful number, since it uses less digits than its factorization.

1945175292712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396651372 (or 396651368 counting only the distinct ones).

The product of its digits is 3175200, while the sum is 55.

The spelling of 1945175292712 in words is "one trillion, nine hundred forty-five billion, one hundred seventy-five million, two hundred ninety-two thousand, seven hundred twelve".