2126510554 has 16 divisors (see below), whose sum is σ = 3648719808. Its totient is φ = 910543392.

The previous prime is 2126510549. The next prime is 2126510597. The reversal of 2126510554 is 4550156212.

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, 51907 + ... + 83350.

It is an arithmetic number, because the mean of its divisors is an integer number (228044988).

Almost surely, 2^2126510554 is an apocalyptic number.

2126510554 is a deficient number, since it is larger than the sum of its proper divisors (1522209254).

2126510554 is a wasteful number, since it uses less digits than its factorization.

2126510554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136389.

The product of its (nonzero) digits is 12000, while the sum is 31.

The square root of 2126510554 is about 46114.1036343546. The cubic root of 2126510554 is about 1285.9453553078.

Adding to 2126510554 its reverse (4550156212), we get a palindrome (6676666766).

The spelling of 2126510554 in words is "two billion, one hundred twenty-six million, five hundred ten thousand, five hundred fifty-four".