4473648739 has 4 divisors (see below), whose sum is σ = 5112741424. Its totient is φ = 3834556056.

The previous prime is 4473648713. The next prime is 4473648811. The reversal of 4473648739 is 9378463744.

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

It is a cyclic number.

It is not a de Polignac number, because 4473648739 - 2⁹ = 4473648227 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4473648739.

It is not an unprimeable number, because it can be changed into a prime (4473648139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 319546332 + ... + 319546345.

It is an arithmetic number, because the mean of its divisors is an integer number (1278185356).

Almost surely, 2^4473648739 is an apocalyptic number.

4473648739 is a deficient number, since it is larger than the sum of its proper divisors (639092685).

4473648739 is an equidigital number, since it uses as much as digits as its factorization.

4473648739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639092684.

The product of its digits is 12192768, while the sum is 55.

The square root of 4473648739 is about 66885.3402398463. The cubic root of 4473648739 is about 1647.7347229627.

The spelling of 4473648739 in words is "four billion, four hundred seventy-three million, six hundred forty-eight thousand, seven hundred thirty-nine".