740971819673 has 2 divisors, whose sum is σ = 740971819674. Its totient is φ = 740971819672.

The previous prime is 740971819661. The next prime is 740971819691. The reversal of 740971819673 is 376918179047.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 678387791449 + 62584028224 = 823643^2 + 250168^2 .

It is a cyclic number.

It is not a de Polignac number, because 740971819673 - 2⁸ = 740971819417 is a prime.

It is not a weakly prime, because it can be changed into another prime (740971819603) 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 as a sum of consecutive naturals, namely, 370485909836 + 370485909837.

It is an arithmetic number, because the mean of its divisors is an integer number (370485909837).

Almost surely, 2^740971819673 is an apocalyptic number.

It is an amenable number.

740971819673 is a deficient number, since it is larger than the sum of its proper divisors (1).

740971819673 is an equidigital number, since it uses as much as digits as its factorization.

740971819673 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16003008, while the sum is 62.

The spelling of 740971819673 in words is "seven hundred forty billion, nine hundred seventy-one million, eight hundred nineteen thousand, six hundred seventy-three".