5085381643 has 2 divisors, whose sum is σ = 5085381644. Its totient is φ = 5085381642.

The previous prime is 5085381599. The next prime is 5085381647. The reversal of 5085381643 is 3461835805.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5085381643 - 2¹³ = 5085373451 is a prime.

It is a super-2 number, since 2×5085381643² = 51722212909922758898, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5085381643.

It is not a weakly prime, because it can be changed into another prime (5085381647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2542690821 + 2542690822.

It is an arithmetic number, because the mean of its divisors is an integer number (2542690822).

Almost surely, 2^5085381643 is an apocalyptic number.

5085381643 is a deficient number, since it is larger than the sum of its proper divisors (1).

5085381643 is an equidigital number, since it uses as much as digits as its factorization.

5085381643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 345600, while the sum is 43.

The square root of 5085381643 is about 71311.8618674341. The cubic root of 5085381643 is about 1719.6544333483.

It can be divided in two parts, 50853 and 81643, that added together give a square (132496 = 364²).

The spelling of 5085381643 in words is "five billion, eighty-five million, three hundred eighty-one thousand, six hundred forty-three".