2146620031434 has 24 divisors (see below), whose sum is σ = 4656462633732. Its totient is φ = 714701154240.

The previous prime is 2146620031433. The next prime is 2146620031441. The reversal of 2146620031434 is 4341300266412.

2146620031434 is a `hidden beast` number, since 2 + 14 + 6 + 6 + 200 + 3 + 1 + 434 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1941549626025 + 205070405409 = 1393395^2 + 452847^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2146620031433) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69888907 + ... + 69919614.

Almost surely, 2^{2146620031434} is an apocalyptic number.

2146620031434 is an abundant number, since it is smaller than the sum of its proper divisors (2509842602298).

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

2146620031434 is a wasteful number, since it uses less digits than its factorization.

2146620031434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139809382 (or 139809379 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

Adding to 2146620031434 its reverse (4341300266412), we get a palindrome (6487920297846).

The spelling of 2146620031434 in words is "two trillion, one hundred forty-six billion, six hundred twenty million, thirty-one thousand, four hundred thirty-four".