748949485917 has 4 divisors (see below), whose sum is σ = 998599314560. Its totient is φ = 499299657276.

The previous prime is 748949485913. The next prime is 748949485919. The reversal of 748949485917 is 719584949847.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 748949485917 - 2² = 748949485913 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (748949485913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124824914317 + ... + 124824914322.

It is an arithmetic number, because the mean of its divisors is an integer number (249649828640).

Almost surely, 2^748949485917 is an apocalyptic number.

It is an amenable number.

748949485917 is a deficient number, since it is larger than the sum of its proper divisors (249649828643).

748949485917 is a wasteful number, since it uses less digits than its factorization.

748949485917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249649828642.

The product of its digits is 731566080, while the sum is 75.

The spelling of 748949485917 in words is "seven hundred forty-eight billion, nine hundred forty-nine million, four hundred eighty-five thousand, nine hundred seventeen".