740211128749 has 4 divisors (see below), whose sum is σ = 765735650460. Its totient is φ = 714686607040.

The previous prime is 740211128693. The next prime is 740211128753. The reversal of 740211128749 is 947821112047.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 947821112047 = 2659 ⋅356457733.

It can be written as a sum of positive squares in 2 ways, for example, as 287598383524 + 452612745225 = 536282^2 + 672765^2 .

It is not a de Polignac number, because 740211128749 - 2⁷ = 740211128621 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 740211128699 and 740211128708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740211228749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12762260812 + ... + 12762260869.

It is an arithmetic number, because the mean of its divisors is an integer number (191433912615).

Almost surely, 2^740211128749 is an apocalyptic number.

It is an amenable number.

740211128749 is a deficient number, since it is larger than the sum of its proper divisors (25524521711).

740211128749 is a wasteful number, since it uses less digits than its factorization.

740211128749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25524521710.

The product of its (nonzero) digits is 225792, while the sum is 46.

The spelling of 740211128749 in words is "seven hundred forty billion, two hundred eleven million, one hundred twenty-eight thousand, seven hundred forty-nine".