2126432575 has 6 divisors (see below), whose sum is σ = 2636776424. Its totient is φ = 1701146040.

The previous prime is 2126432509. The next prime is 2126432579. The reversal of 2126432575 is 5752346212.

It is not a de Polignac number, because 2126432575 - 2¹⁹ = 2125908287 is a prime.

It is a super-2 number, since 2×2126432575² = 9043430992042261250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2126432579) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 42528627 + ... + 42528676.

Almost surely, 2^2126432575 is an apocalyptic number.

2126432575 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2126432575 is a deficient number, since it is larger than the sum of its proper divisors (510343849).

2126432575 is an equidigital number, since it uses as much as digits as its factorization.

2126432575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85057313 (or 85057308 counting only the distinct ones).

The product of its digits is 100800, while the sum is 37.

The square root of 2126432575 is about 46113.2581260531. The cubic root of 2126432575 is about 1285.9296366056.

Adding to 2126432575 its reverse (5752346212), we get a palindrome (7878778787).

The spelling of 2126432575 in words is "two billion, one hundred twenty-six million, four hundred thirty-two thousand, five hundred seventy-five".