4939970729 has 4 divisors (see below), whose sum is σ = 4952290260. Its totient is φ = 4927651200.

The previous prime is 4939970713. The next prime is 4939970771. The reversal of 4939970729 is 9270799394.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9270799394 = 2 ⋅4635399697.

It can be written as a sum of positive squares in 2 ways, for example, as 2305920400 + 2634050329 = 48020^2 + 51323^2 .

It is a cyclic number.

It is not a de Polignac number, because 4939970729 - 2⁴ = 4939970713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4939970029) by changing a digit.

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, 6159164 + ... + 6159965.

It is an arithmetic number, because the mean of its divisors is an integer number (1238072565).

Almost surely, 2^4939970729 is an apocalyptic number.

It is an amenable number.

4939970729 is a deficient number, since it is larger than the sum of its proper divisors (12319531).

4939970729 is a wasteful number, since it uses less digits than its factorization.

4939970729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12319530.

The product of its (nonzero) digits is 7715736, while the sum is 59.

The square root of 4939970729 is about 70284.9253325349. The cubic root of 4939970729 is about 1703.1051355870.

The spelling of 4939970729 in words is "four billion, nine hundred thirty-nine million, nine hundred seventy thousand, seven hundred twenty-nine".