740041970609 has 2 divisors, whose sum is σ = 740041970610. Its totient is φ = 740041970608.

The previous prime is 740041970587. The next prime is 740041970627. The reversal of 740041970609 is 906079140047.

It is a happy number.

740041970609 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 739574200225 + 467770384 = 859985^2 + 21628^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-740041970609 is a prime.

It is not a weakly prime, because it can be changed into another prime (740041972609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 370020985304 + 370020985305.

It is an arithmetic number, because the mean of its divisors is an integer number (370020985305).

Almost surely, 2^740041970609 is an apocalyptic number.

It is an amenable number.

740041970609 is a deficient number, since it is larger than the sum of its proper divisors (1).

740041970609 is an equidigital number, since it uses as much as digits as its factorization.

740041970609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 381024, while the sum is 47.

The spelling of 740041970609 in words is "seven hundred forty billion, forty-one million, nine hundred seventy thousand, six hundred nine".