2126918841 has 32 divisors (see below), whose sum is σ = 3190285440. Its totient is φ = 1253661696.

The previous prime is 2126918809. The next prime is 2126918851. The reversal of 2126918841 is 1488196212.

It is not a de Polignac number, because 2126918841 - 2⁵ = 2126918809 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2126918793 and 2126918802.

It is not an unprimeable number, because it can be changed into a prime (2126918851) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35290 + ... + 74156.

It is an arithmetic number, because the mean of its divisors is an integer number (99696420).

Almost surely, 2^2126918841 is an apocalyptic number.

It is an amenable number.

2126918841 is a deficient number, since it is larger than the sum of its proper divisors (1063366599).

2126918841 is a wasteful number, since it uses less digits than its factorization.

2126918841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38953.

The product of its digits is 55296, while the sum is 42.

The square root of 2126918841 is about 46118.5303430194. The cubic root of 2126918841 is about 1286.0276499339.

The spelling of 2126918841 in words is "two billion, one hundred twenty-six million, nine hundred eighteen thousand, eight hundred forty-one".