999499986740753 has 2 divisors, whose sum is σ = 999499986740754. Its totient is φ = 999499986740752.

The previous prime is 999499986740663. The next prime is 999499986740807. The reversal of 999499986740753 is 357047689994999.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 755014490035729 + 244485496705024 = 27477527^2 + 15636032^2 .

It is a cyclic number.

It is not a de Polignac number, because 999499986740753 - 2¹⁶ = 999499986675217 is a prime.

It is a super-3 number, since 3×999499986740753³ (a number of 46 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 999499986740753.

It is not a weakly prime, because it can be changed into another prime (999499986745753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499749993370376 + 499749993370377.

It is an arithmetic number, because the mean of its divisors is an integer number (499749993370377).

Almost surely, 2^{999499986740753} is an apocalyptic number.

It is an amenable number.

999499986740753 is a deficient number, since it is larger than the sum of its proper divisors (1).

999499986740753 is an equidigital number, since it uses as much as digits as its factorization.

999499986740753 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 299987815680, while the sum is 98.

The spelling of 999499986740753 in words is "nine hundred ninety-nine trillion, four hundred ninety-nine billion, nine hundred eighty-six million, seven hundred forty thousand, seven hundred fifty-three".