740403269589 has 4 divisors (see below), whose sum is σ = 987204359456. Its totient is φ = 493602179724.

The previous prime is 740403269579. The next prime is 740403269633. The reversal of 740403269589 is 985962304047.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 740403269589 - 2¹⁹ = 740402745301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740403269519) 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, 123400544929 + ... + 123400544934.

It is an arithmetic number, because the mean of its divisors is an integer number (246801089864).

Almost surely, 2^740403269589 is an apocalyptic number.

It is an amenable number.

740403269589 is a deficient number, since it is larger than the sum of its proper divisors (246801089867).

740403269589 is a wasteful number, since it uses less digits than its factorization.

740403269589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246801089866.

The product of its (nonzero) digits is 13063680, while the sum is 57.

The spelling of 740403269589 in words is "seven hundred forty billion, four hundred three million, two hundred sixty-nine thousand, five hundred eighty-nine".