493038999997 has 2 divisors, whose sum is σ = 493038999998. Its totient is φ = 493038999996.

The previous prime is 493038999991. The next prime is 493039000009. The reversal of 493038999997 is 799999830394.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 463953061881 + 29085938116 = 681141^2 + 170546^2 .

It is a cyclic number.

It is not a de Polignac number, because 493038999997 - 2²³ = 493030611389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (493038999991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246519499998 + 246519499999.

It is an arithmetic number, because the mean of its divisors is an integer number (246519499999).

Almost surely, 2^493038999997 is an apocalyptic number.

It is an amenable number.

493038999997 is a deficient number, since it is larger than the sum of its proper divisors (1).

493038999997 is an equidigital number, since it uses as much as digits as its factorization.

493038999997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1071385056, while the sum is 79.

The spelling of 493038999997 in words is "four hundred ninety-three billion, thirty-eight million, nine hundred ninety-nine thousand, nine hundred ninety-seven".