7485565819 has 2 divisors, whose sum is σ = 7485565820. Its totient is φ = 7485565818.

The previous prime is 7485565807. The next prime is 7485565897. The reversal of 7485565819 is 9185655847.

It is a happy number.

7485565819 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7485565819 - 2¹⁵ = 7485533051 is a prime.

It is a super-2 number, since 2×7485565819² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7485565019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3742782909 + 3742782910.

It is an arithmetic number, because the mean of its divisors is an integer number (3742782910).

Almost surely, 2^7485565819 is an apocalyptic number.

7485565819 is a deficient number, since it is larger than the sum of its proper divisors (1).

7485565819 is an equidigital number, since it uses as much as digits as its factorization.

7485565819 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096000, while the sum is 58.

The square root of 7485565819 is about 86519.1644608291. The cubic root of 7485565819 is about 1956.1772828547.

The spelling of 7485565819 in words is "seven billion, four hundred eighty-five million, five hundred sixty-five thousand, eight hundred nineteen".