4627276645 has 4 divisors (see below), whose sum is σ = 5552731980. Its totient is φ = 3701821312.

The previous prime is 4627276637. The next prime is 4627276657. The reversal of 4627276645 is 5466727264.

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 2184347169 + 2442929476 = 46737^2 + 49426^2 .

It is a cyclic number.

It is not a de Polignac number, because 4627276645 - 2³ = 4627276637 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

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, 462727660 + ... + 462727669.

It is an arithmetic number, because the mean of its divisors is an integer number (1388182995).

Almost surely, 2^4627276645 is an apocalyptic number.

It is an amenable number.

4627276645 is a deficient number, since it is larger than the sum of its proper divisors (925455335).

4627276645 is an equidigital number, since it uses as much as digits as its factorization.

4627276645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 925455334.

The product of its digits is 3386880, while the sum is 49.

The square root of 4627276645 is about 68024.0887112793. The cubic root of 4627276645 is about 1666.3842606619.

The spelling of 4627276645 in words is "four billion, six hundred twenty-seven million, two hundred seventy-six thousand, six hundred forty-five".