4979572729 has 2 divisors, whose sum is σ = 4979572730. Its totient is φ = 4979572728.

The previous prime is 4979572691. The next prime is 4979572733. The reversal of 4979572729 is 9272759794.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3728323600 + 1251249129 = 61060^2 + 35373^2 .

It is a cyclic number.

It is not a de Polignac number, because 4979572729 - 2⁹ = 4979572217 is a prime.

It is a super-2 number, since 2×4979572729² = 49592289126801014882, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4979522729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2489786364 + 2489786365.

It is an arithmetic number, because the mean of its divisors is an integer number (2489786365).

Almost surely, 2^4979572729 is an apocalyptic number.

It is an amenable number.

4979572729 is a deficient number, since it is larger than the sum of its proper divisors (1).

4979572729 is an equidigital number, since it uses as much as digits as its factorization.

4979572729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20003760, while the sum is 61.

The square root of 4979572729 is about 70566.0876696448. The cubic root of 4979572729 is about 1707.6440920883.

The spelling of 4979572729 in words is "four billion, nine hundred seventy-nine million, five hundred seventy-two thousand, seven hundred twenty-nine".