5645432126 has 4 divisors (see below), whose sum is σ = 8468148192. Its totient is φ = 2822716062.

The previous prime is 5645432123. The next prime is 5645432129. The reversal of 5645432126 is 6212345465.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (5645432123) and next prime (5645432129).

It is a self number, because there is not a number n which added to its sum of digits gives 5645432126.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5645432123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1411358030 + ... + 1411358033.

It is an arithmetic number, because the mean of its divisors is an integer number (2117037048).

Almost surely, 2^5645432126 is an apocalyptic number.

5645432126 is a deficient number, since it is larger than the sum of its proper divisors (2822716066).

5645432126 is a wasteful number, since it uses less digits than its factorization.

5645432126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2822716065.

The product of its digits is 172800, while the sum is 38.

The square root of 5645432126 is about 75136.0907021386. The cubic root of 5645432126 is about 1780.5973803956.

The spelling of 5645432126 in words is "five billion, six hundred forty-five million, four hundred thirty-two thousand, one hundred twenty-six".