743245356769 has 8 divisors (see below), whose sum is σ = 750097115240. Its totient is φ = 736394198400.

The previous prime is 743245356761. The next prime is 743245356823. The reversal of 743245356769 is 967653542347.

It can be written as a sum of positive squares in 4 ways, for example, as 298676459169 + 444568897600 = 546513^2 + 666760^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 743245356769 - 2³ = 743245356761 is a prime.

It is a super-2 number, since 2×743245356769² (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 (743245356761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2563549 + ... + 2838709.

It is an arithmetic number, because the mean of its divisors is an integer number (93762139405).

Almost surely, 2^743245356769 is an apocalyptic number.

It is an amenable number.

743245356769 is a deficient number, since it is larger than the sum of its proper divisors (6851758471).

743245356769 is a wasteful number, since it uses less digits than its factorization.

743245356769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300051.

The product of its digits is 114307200, while the sum is 61.

The spelling of 743245356769 in words is "seven hundred forty-three billion, two hundred forty-five million, three hundred fifty-six thousand, seven hundred sixty-nine".