4942747549 has 2 divisors, whose sum is σ = 4942747550. Its totient is φ = 4942747548.

The previous prime is 4942747519. The next prime is 4942747567. The reversal of 4942747549 is 9457472494.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2846756025 + 2095991524 = 53355^2 + 45782^2 .

It is a cyclic number.

It is not a de Polignac number, because 4942747549 - 2⁷ = 4942747421 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4942747549.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4942747519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2471373774 + 2471373775.

It is an arithmetic number, because the mean of its divisors is an integer number (2471373775).

Almost surely, 2^4942747549 is an apocalyptic number.

It is an amenable number.

4942747549 is a deficient number, since it is larger than the sum of its proper divisors (1).

4942747549 is an equidigital number, since it uses as much as digits as its factorization.

4942747549 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10160640, while the sum is 55.

The square root of 4942747549 is about 70304.6765798691. The cubic root of 4942747549 is about 1703.4241881226.

The spelling of 4942747549 in words is "four billion, nine hundred forty-two million, seven hundred forty-seven thousand, five hundred forty-nine".