493669920407 has 2 divisors, whose sum is σ = 493669920408. Its totient is φ = 493669920406.

The previous prime is 493669920361. The next prime is 493669920509. The reversal of 493669920407 is 704029966394.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 493669920407 - 2⁸ = 493669920151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (493669920707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246834960203 + 246834960204.

It is an arithmetic number, because the mean of its divisors is an integer number (246834960204).

Almost surely, 2^493669920407 is an apocalyptic number.

493669920407 is a deficient number, since it is larger than the sum of its proper divisors (1).

493669920407 is an equidigital number, since it uses as much as digits as its factorization.

493669920407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17635968, while the sum is 59.

The spelling of 493669920407 in words is "four hundred ninety-three billion, six hundred sixty-nine million, nine hundred twenty thousand, four hundred seven".