740383686109 has 2 divisors, whose sum is σ = 740383686110. Its totient is φ = 740383686108.

The previous prime is 740383686079. The next prime is 740383686169. The reversal of 740383686109 is 901686383047.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 665774402500 + 74609283609 = 815950^2 + 273147^2 .

It is a cyclic number.

It is not a de Polignac number, because 740383686109 - 2¹⁹ = 740383161821 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 740383686109.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (740383686169) 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 as a sum of consecutive naturals, namely, 370191843054 + 370191843055.

It is an arithmetic number, because the mean of its divisors is an integer number (370191843055).

Almost surely, 2^740383686109 is an apocalyptic number.

It is an amenable number.

740383686109 is a deficient number, since it is larger than the sum of its proper divisors (1).

740383686109 is an equidigital number, since it uses as much as digits as its factorization.

740383686109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5225472, while the sum is 55.

The spelling of 740383686109 in words is "seven hundred forty billion, three hundred eighty-three million, six hundred eighty-six thousand, one hundred nine".