746518464169 has 3 divisors (see below), whose sum is σ = 746519328183. Its totient is φ = 746517600156.

The previous prime is 746518464091. The next prime is 746518464217. The reversal of 746518464169 is 961464815647.

The square root of 746518464169 is 864013.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 534192883225 + 212325580944 = 730885^2 + 460788^2 .

It is not a de Polignac number, because 746518464169 - 2⁹ = 746518463657 is a prime.

It is a super-2 number, since 2×746518464169² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (746518464869) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 432007 + ... + 1296019.

It is an arithmetic number, because the mean of its divisors is an integer number (248839776061).

Almost surely, 2^746518464169 is an apocalyptic number.

746518464169 is the 864013-rd square number.

746518464169 is the 432007-th centered octagonal number.

It is an amenable number.

746518464169 is a deficient number, since it is larger than the sum of its proper divisors (864014).

746518464169 is an frugal number, since it uses more digits than its factorization.

746518464169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1728026 (or 864013 counting only the distinct ones).

The product of its digits is 34836480, while the sum is 61.

The spelling of 746518464169 in words is "seven hundred forty-six billion, five hundred eighteen million, four hundred sixty-four thousand, one hundred sixty-nine".