2146452673530 has 128 divisors (see below), whose sum is σ = 5717824680960. Its totient is φ = 511347893760.

The previous prime is 2146452673523. The next prime is 2146452673549. The reversal of 2146452673530 is 353762546412.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2146452673530.

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 63 ways as a sum of consecutive naturals, for example, 4563129 + ... + 5011491.

It is an arithmetic number, because the mean of its divisors is an integer number (44670505320).

Almost surely, 2^{2146452673530} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2146452673530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2858912340480).

2146452673530 is an abundant number, since it is smaller than the sum of its proper divisors (3571372007430).

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

2146452673530 is a wasteful number, since it uses less digits than its factorization.

2146452673530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448636.

The product of its (nonzero) digits is 3628800, while the sum is 48.

The spelling of 2146452673530 in words is "two trillion, one hundred forty-six billion, four hundred fifty-two million, six hundred seventy-three thousand, five hundred thirty".