18295393762097 has 4 divisors (see below), whose sum is σ = 19258309223280. Its totient is φ = 17332478300916.

The previous prime is 18295393762039. The next prime is 18295393762103. The reversal of 18295393762097 is 79026739359281.

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 18295393762097 - 2¹⁸ = 18295393499953 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 18295393762097.

It is not an unprimeable number, because it can be changed into a prime (18295393762397) 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, 481457730563 + ... + 481457730600.

It is an arithmetic number, because the mean of its divisors is an integer number (4814577305820).

Almost surely, 2^{18295393762097} is an apocalyptic number.

It is an amenable number.

18295393762097 is a deficient number, since it is larger than the sum of its proper divisors (962915461183).

18295393762097 is an equidigital number, since it uses as much as digits as its factorization.

18295393762097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 962915461182.

The product of its (nonzero) digits is 308629440, while the sum is 71.

The spelling of 18295393762097 in words is "eighteen trillion, two hundred ninety-five billion, three hundred ninety-three million, seven hundred sixty-two thousand, ninety-seven".