5645420607 has 4 divisors (see below), whose sum is σ = 7527227480. Its totient is φ = 3763613736.

The previous prime is 5645420549. The next prime is 5645420647. The reversal of 5645420607 is 7060245465.

5645420607 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 5645420607 - 2⁷ = 5645420479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5645420647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 940903432 + ... + 940903437.

It is an arithmetic number, because the mean of its divisors is an integer number (1881806870).

Almost surely, 2^5645420607 is an apocalyptic number.

5645420607 is a deficient number, since it is larger than the sum of its proper divisors (1881806873).

5645420607 is a wasteful number, since it uses less digits than its factorization.

5645420607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1881806872.

The product of its (nonzero) digits is 201600, while the sum is 39.

The square root of 5645420607 is about 75136.0140478586. The cubic root of 5645420607 is about 1780.5961693448.

The spelling of 5645420607 in words is "five billion, six hundred forty-five million, four hundred twenty thousand, six hundred seven".