493240265997 has 4 divisors (see below), whose sum is σ = 657653688000. Its totient is φ = 328826843996.

The previous prime is 493240265993. The next prime is 493240266007. The reversal of 493240265997 is 799562042394.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 493240265997 - 2² = 493240265993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 493240265997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (493240265993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82206710997 + ... + 82206711002.

It is an arithmetic number, because the mean of its divisors is an integer number (164413422000).

Almost surely, 2^493240265997 is an apocalyptic number.

It is an amenable number.

493240265997 is a deficient number, since it is larger than the sum of its proper divisors (164413422003).

493240265997 is a wasteful number, since it uses less digits than its factorization.

493240265997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164413422002.

The product of its (nonzero) digits is 29393280, while the sum is 60.

The spelling of 493240265997 in words is "four hundred ninety-three billion, two hundred forty million, two hundred sixty-five thousand, nine hundred ninety-seven".