2126512546 has 16 divisors (see below), whose sum is σ = 3204157824. Its totient is φ = 1058468464.

The previous prime is 2126512523. The next prime is 2126512561. The reversal of 2126512546 is 6452156212.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 834951 + ... + 837493.

It is an arithmetic number, because the mean of its divisors is an integer number (200259864).

Almost surely, 2^2126512546 is an apocalyptic number.

2126512546 is a deficient number, since it is larger than the sum of its proper divisors (1077645278).

2126512546 is a wasteful number, since it uses less digits than its factorization.

2126512546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4265.

The product of its digits is 28800, while the sum is 34.

The square root of 2126512546 is about 46114.1252329479. The cubic root of 2126512546 is about 1285.9457568424.

Adding to 2126512546 its reverse (6452156212), we get a palindrome (8578668758).

The spelling of 2126512546 in words is "two billion, one hundred twenty-six million, five hundred twelve thousand, five hundred forty-six".