2126306546 has 32 divisors (see below), whose sum is σ = 3992042880. Its totient is φ = 826914816.

The previous prime is 2126306543. The next prime is 2126306557. The reversal of 2126306546 is 6456036212.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2126306543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88271 + ... + 109746.

It is an arithmetic number, because the mean of its divisors is an integer number (124751340).

Almost surely, 2^2126306546 is an apocalyptic number.

2126306546 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2126306546 is a deficient number, since it is larger than the sum of its proper divisors (1865736334).

2126306546 is a wasteful number, since it uses less digits than its factorization.

2126306546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198098.

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 2126306546 is about 46111.8915899142. The cubic root of 2126306546 is about 1285.9042313596.

The spelling of 2126306546 in words is "two billion, one hundred twenty-six million, three hundred six thousand, five hundred forty-six".