4979144749 has 2 divisors, whose sum is σ = 4979144750. Its totient is φ = 4979144748.

The previous prime is 4979144713. The next prime is 4979144761. The reversal of 4979144749 is 9474419794.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4912608100 + 66536649 = 70090^2 + 8157^2 .

It is a cyclic number.

It is not a de Polignac number, because 4979144749 - 2¹⁹ = 4978620461 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4979144693 and 4979144702.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4979144789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2489572374 + 2489572375.

It is an arithmetic number, because the mean of its divisors is an integer number (2489572375).

Almost surely, 2^4979144749 is an apocalyptic number.

It is an amenable number.

4979144749 is a deficient number, since it is larger than the sum of its proper divisors (1).

4979144749 is an equidigital number, since it uses as much as digits as its factorization.

4979144749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9144576, while the sum is 58.

The square root of 4979144749 is about 70563.0551280201. The cubic root of 4979144749 is about 1707.5951683153.

The spelling of 4979144749 in words is "four billion, nine hundred seventy-nine million, one hundred forty-four thousand, seven hundred forty-nine".