2126013580 has 12 divisors (see below), whose sum is σ = 4464628560. Its totient is φ = 850405424.

The previous prime is 2126013481. The next prime is 2126013583. The reversal of 2126013580 is 853106212.

It is not an unprimeable number, because it can be changed into a prime (2126013583) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53150320 + ... + 53150359.

It is an arithmetic number, because the mean of its divisors is an integer number (372052380).

Almost surely, 2^2126013580 is an apocalyptic number.

2126013580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2126013580 is an abundant number, since it is smaller than the sum of its proper divisors (2338614980).

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

2126013580 is a wasteful number, since it uses less digits than its factorization.

2126013580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106300688 (or 106300686 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 2126013580 is about 46108.7147944941. The cubic root of 2126013580 is about 1285.8451706497.

Adding to 2126013580 its reverse (853106212), we get a palindrome (2979119792).

The spelling of 2126013580 in words is "two billion, one hundred twenty-six million, thirteen thousand, five hundred eighty".