82351813403801 has 4 divisors (see below), whose sum is σ = 82358755320192. Its totient is φ = 82344871487412.

The previous prime is 82351813403777. The next prime is 82351813403803. The reversal of 82351813403801 is 10830431815328.

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 a de Polignac number, because none of the positive numbers 2^k-82351813403801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82351813403803) 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, 3470940401 + ... + 3470964126.

It is an arithmetic number, because the mean of its divisors is an integer number (20589688830048).

Almost surely, 2^{82351813403801} is an apocalyptic number.

It is an amenable number.

82351813403801 is a deficient number, since it is larger than the sum of its proper divisors (6941916391).

82351813403801 is a wasteful number, since it uses less digits than its factorization.

82351813403801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6941916390.

The product of its (nonzero) digits is 552960, while the sum is 47.

The spelling of 82351813403801 in words is "eighty-two trillion, three hundred fifty-one billion, eight hundred thirteen million, four hundred three thousand, eight hundred one".