750688313149 has 4 divisors (see below), whose sum is σ = 750765451036. Its totient is φ = 750611175264.

The previous prime is 750688313059. The next prime is 750688313159. The reversal of 750688313149 is 941313886057.

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 659535645924 + 91152667225 = 812118^2 + 301915^2 .

It is a cyclic number.

It is not a de Polignac number, because 750688313149 - 2²³ = 750679924541 is a prime.

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 750688313149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (750688313159) 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, 38554344 + ... + 38573809.

It is an arithmetic number, because the mean of its divisors is an integer number (187691362759).

Almost surely, 2^750688313149 is an apocalyptic number.

It is an amenable number.

750688313149 is a deficient number, since it is larger than the sum of its proper divisors (77137887).

750688313149 is an equidigital number, since it uses as much as digits as its factorization.

750688313149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77137886.

The product of its (nonzero) digits is 4354560, while the sum is 55.

The spelling of 750688313149 in words is "seven hundred fifty billion, six hundred eighty-eight million, three hundred thirteen thousand, one hundred forty-nine".