740444490493 has 2 divisors, whose sum is σ = 740444490494. Its totient is φ = 740444490492.

The previous prime is 740444490389. The next prime is 740444490553. The reversal of 740444490493 is 394094444047.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 706344436249 + 34100054244 = 840443^2 + 184662^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-740444490493 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 740444490493.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (740444497493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 370222245246 + 370222245247.

It is an arithmetic number, because the mean of its divisors is an integer number (370222245247).

Almost surely, 2^740444490493 is an apocalyptic number.

It is an amenable number.

740444490493 is a deficient number, since it is larger than the sum of its proper divisors (1).

740444490493 is an equidigital number, since it uses as much as digits as its factorization.

740444490493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6967296, while the sum is 52.

The spelling of 740444490493 in words is "seven hundred forty billion, four hundred forty-four million, four hundred ninety thousand, four hundred ninety-three".