2138582810730 has 64 divisors (see below), whose sum is σ = 5217212332800. Its totient is φ = 560961563136.

The previous prime is 2138582810713. The next prime is 2138582810747. The reversal of 2138582810730 is 370182858312.

It is an interprime number because it is at equal distance from previous prime (2138582810713) and next prime (2138582810747).

It is a self number, because there is not a number n which added to its sum of digits gives 2138582810730.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1862067 + ... + 2782886.

It is an arithmetic number, because the mean of its divisors is an integer number (81518942700).

Almost surely, 2^{2138582810730} is an apocalyptic number.

2138582810730 is an abundant number, since it is smaller than the sum of its proper divisors (3078629522070).

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

2138582810730 is a wasteful number, since it uses less digits than its factorization.

2138582810730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4645215.

The product of its (nonzero) digits is 645120, while the sum is 48.

The spelling of 2138582810730 in words is "two trillion, one hundred thirty-eight billion, five hundred eighty-two million, eight hundred ten thousand, seven hundred thirty".