740196987689 has 2 divisors, whose sum is σ = 740196987690. Its totient is φ = 740196987688.

The previous prime is 740196987671. The next prime is 740196987707. The reversal of 740196987689 is 986789691047.

It is a balanced prime because it is at equal distance from previous prime (740196987671) and next prime (740196987707).

It can be written as a sum of positive squares in only one way, i.e., 734462712064 + 5734275625 = 857008^2 + 75725^2 .

It is a cyclic number.

It is not a de Polignac number, because 740196987689 - 2⁸ = 740196987433 is a prime.

It is not a weakly prime, because it can be changed into another prime (740196987289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 370098493844 + 370098493845.

It is an arithmetic number, because the mean of its divisors is an integer number (370098493845).

Almost surely, 2^740196987689 is an apocalyptic number.

It is an amenable number.

740196987689 is a deficient number, since it is larger than the sum of its proper divisors (1).

740196987689 is an equidigital number, since it uses as much as digits as its factorization.

740196987689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 329204736, while the sum is 74.

The spelling of 740196987689 in words is "seven hundred forty billion, one hundred ninety-six million, nine hundred eighty-seven thousand, six hundred eighty-nine".