4536947645 has 4 divisors (see below), whose sum is σ = 5444337180. Its totient is φ = 3629558112.

The previous prime is 4536947633. The next prime is 4536947671. The reversal of 4536947645 is 5467496354.

4536947645 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 can be written as a sum of positive squares in 2 ways, for example, as 1130707876 + 3406239769 = 33626^2 + 58363^2 .

It is a cyclic number.

It is not a de Polignac number, because 4536947645 - 2⁶ = 4536947581 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 453694760 + ... + 453694769.

It is an arithmetic number, because the mean of its divisors is an integer number (1361084295).

Almost surely, 2^4536947645 is an apocalyptic number.

It is an amenable number.

4536947645 is a deficient number, since it is larger than the sum of its proper divisors (907389535).

4536947645 is an equidigital number, since it uses as much as digits as its factorization.

4536947645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 907389534.

The product of its digits is 10886400, while the sum is 53.

The square root of 4536947645 is about 67356.8678384023. The cubic root of 4536947645 is about 1655.4697747287.

The spelling of 4536947645 in words is "four billion, five hundred thirty-six million, nine hundred forty-seven thousand, six hundred forty-five".