4273163549 has 2 divisors, whose sum is σ = 4273163550. Its totient is φ = 4273163548.

The previous prime is 4273163533. The next prime is 4273163563. The reversal of 4273163549 is 9453613724.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4031361049 + 241802500 = 63493^2 + 15550^2 .

It is a cyclic number.

It is not a de Polignac number, because 4273163549 - 2⁴ = 4273163533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4273163519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2136581774 + 2136581775.

It is an arithmetic number, because the mean of its divisors is an integer number (2136581775).

Almost surely, 2^4273163549 is an apocalyptic number.

It is an amenable number.

4273163549 is a deficient number, since it is larger than the sum of its proper divisors (1).

4273163549 is an equidigital number, since it uses as much as digits as its factorization.

4273163549 is an evil number, because the sum of its binary digits is even.

The product of its digits is 544320, while the sum is 44.

The square root of 4273163549 is about 65369.4389527706. The cubic root of 4273163549 is about 1622.7433511295.

The spelling of 4273163549 in words is "four billion, two hundred seventy-three million, one hundred sixty-three thousand, five hundred forty-nine".