793481808184397 has 4 divisors (see below), whose sum is σ = 819077995545216. Its totient is φ = 767885620823580.

The previous prime is 793481808184381. The next prime is 793481808184409.

793481808184397 is nontrivially palindromic in base 10.

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 793481808184397 - 2⁴ = 793481808184381 is a prime.

It is a super-2 number, since 2×793481808184397² (a number of 31 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (793481808184297) 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, 12798093680363 + ... + 12798093680424.

It is an arithmetic number, because the mean of its divisors is an integer number (204769498886304).

Almost surely, 2^{793481808184397} is an apocalyptic number.

It is an amenable number.

793481808184397 is a deficient number, since it is larger than the sum of its proper divisors (25596187360819).

793481808184397 is a wasteful number, since it uses less digits than its factorization.

793481808184397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25596187360818.

The product of its (nonzero) digits is 2341011456, while the sum is 80.

The spelling of 793481808184397 in words is "seven hundred ninety-three trillion, four hundred eighty-one billion, eight hundred eight million, one hundred eighty-four thousand, three hundred ninety-seven".