5398281761 has 2 divisors, whose sum is σ = 5398281762. Its totient is φ = 5398281760.

The previous prime is 5398281683. The next prime is 5398281781. The reversal of 5398281761 is 1671828935.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2823328225 + 2574953536 = 53135^2 + 50744^2 .

It is a cyclic number.

It is not a de Polignac number, because 5398281761 - 2¹⁴ = 5398265377 is a prime.

It is a super-2 number, since 2×5398281761² = 58282891942290522242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5398281781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2699140880 + 2699140881.

It is an arithmetic number, because the mean of its divisors is an integer number (2699140881).

Almost surely, 2^5398281761 is an apocalyptic number.

It is an amenable number.

5398281761 is a deficient number, since it is larger than the sum of its proper divisors (1).

5398281761 is an equidigital number, since it uses as much as digits as its factorization.

5398281761 is an evil number, because the sum of its binary digits is even.

The product of its digits is 725760, while the sum is 50.

The square root of 5398281761 is about 73473.0002177671. Note that the first 3 decimals coincide. The cubic root of 5398281761 is about 1754.2245431391.

The spelling of 5398281761 in words is "five billion, three hundred ninety-eight million, two hundred eighty-one thousand, seven hundred sixty-one".