748949485913 has 2 divisors, whose sum is σ = 748949485914. Its totient is φ = 748949485912.

The previous prime is 748949485813. The next prime is 748949485919. The reversal of 748949485913 is 319584949847.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 632045670169 + 116903815744 = 795013^2 + 341912^2 .

It is an emirp because it is prime and its reverse (319584949847) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 748949485913 - 2¹⁰ = 748949484889 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (748949485919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 374474742956 + 374474742957.

It is an arithmetic number, because the mean of its divisors is an integer number (374474742957).

Almost surely, 2^748949485913 is an apocalyptic number.

It is an amenable number.

748949485913 is a deficient number, since it is larger than the sum of its proper divisors (1).

748949485913 is an equidigital number, since it uses as much as digits as its factorization.

748949485913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 313528320, while the sum is 71.

The spelling of 748949485913 in words is "seven hundred forty-eight billion, nine hundred forty-nine million, four hundred eighty-five thousand, nine hundred thirteen".