4978272529 has 4 divisors (see below), whose sum is σ = 5026605376. Its totient is φ = 4929939684.

The previous prime is 4978272499. The next prime is 4978272539. The reversal of 4978272529 is 9252728794.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4978272529 - 2⁹ = 4978272017 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4978272529.

It is not an unprimeable number, because it can be changed into a prime (4978272539) 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, 24166269 + ... + 24166474.

It is an arithmetic number, because the mean of its divisors is an integer number (1256651344).

Almost surely, 2^4978272529 is an apocalyptic number.

It is an amenable number.

4978272529 is a deficient number, since it is larger than the sum of its proper divisors (48332847).

4978272529 is a wasteful number, since it uses less digits than its factorization.

4978272529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48332846.

The product of its digits is 5080320, while the sum is 55.

The square root of 4978272529 is about 70556.8744276559. The cubic root of 4978272529 is about 1707.4954533569.

The spelling of 4978272529 in words is "four billion, nine hundred seventy-eight million, two hundred seventy-two thousand, five hundred twenty-nine".