743116409764 has 9 divisors (see below), whose sum is σ = 1300456734241. Its totient is φ = 371557342840.

The previous prime is 743116409741. The next prime is 743116409809. The reversal of 743116409764 is 467904611347.

It is a happy number.

The square root of 743116409764 is 862042.

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

It can be written as a sum of positive squares in only one way, i.e., 276299512164 + 466816897600 = 525642^2 + 683240^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1508574 + ... + 1939594.

Almost surely, 2^743116409764 is an apocalyptic number.

743116409764 is the 862042-nd square number.

It is an amenable number.

743116409764 is a deficient number, since it is larger than the sum of its proper divisors (557340324477).

743116409764 is an frugal number, since it uses more digits than its factorization.

743116409764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 862046 (or 431023 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 52.

The spelling of 743116409764 in words is "seven hundred forty-three billion, one hundred sixteen million, four hundred nine thousand, seven hundred sixty-four".