740123766325369 has 4 divisors (see below), whose sum is σ = 742220434218996. Its totient is φ = 738027098431744.

The previous prime is 740123766325253. The next prime is 740123766325373. The reversal of 740123766325369 is 963523667321047.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 160706633248144 + 579417133077225 = 12677012^2 + 24071085^2 .

It is a cyclic number.

It is not a de Polignac number, because 740123766325369 - 2⁴¹ = 737924743069817 is a prime.

It is a super-2 number, since 2×740123766325369² (a number of 31 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 740123766325369.

It is not an unprimeable number, because it can be changed into a prime (740123766365369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1048333946284 + ... + 1048333946989.

It is an arithmetic number, because the mean of its divisors is an integer number (185555108554749).

Almost surely, 2^{740123766325369} is an apocalyptic number.

It is an amenable number.

740123766325369 is a deficient number, since it is larger than the sum of its proper divisors (2096667893627).

740123766325369 is a wasteful number, since it uses less digits than its factorization.

740123766325369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2096667893626.

The product of its (nonzero) digits is 205752960, while the sum is 64.

The spelling of 740123766325369 in words is "seven hundred forty trillion, one hundred twenty-three billion, seven hundred sixty-six million, three hundred twenty-five thousand, three hundred sixty-nine".