2145941908530 has 128 divisors (see below), whose sum is σ = 6161936191488. Its totient is φ = 467646296832.

The previous prime is 2145941908477. The next prime is 2145941908549. The reversal of 2145941908530 is 358091495412.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 759204 + ... + 2206416.

It is an arithmetic number, because the mean of its divisors is an integer number (48140126496).

Almost surely, 2^{2145941908530} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2145941908530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3080968095744).

2145941908530 is an abundant number, since it is smaller than the sum of its proper divisors (4015994282958).

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

2145941908530 is a wasteful number, since it uses less digits than its factorization.

2145941908530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1447560.

The product of its (nonzero) digits is 1555200, while the sum is 51.

The spelling of 2145941908530 in words is "two trillion, one hundred forty-five billion, nine hundred forty-one million, nine hundred eight thousand, five hundred thirty".