102144681797 has 4 divisors (see below), whose sum is σ = 102147162720. Its totient is φ = 102142200876.

The previous prime is 102144681761. The next prime is 102144681799. The reversal of 102144681797 is 797186441201.

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 102144681797 - 2³⁴ = 84964812613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102144681799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1177643 + ... + 1261400.

It is an arithmetic number, because the mean of its divisors is an integer number (25536790680).

Almost surely, 2^102144681797 is an apocalyptic number.

It is an amenable number.

102144681797 is a deficient number, since it is larger than the sum of its proper divisors (2480923).

102144681797 is an equidigital number, since it uses as much as digits as its factorization.

102144681797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2480922.

The product of its (nonzero) digits is 677376, while the sum is 50.

The spelling of 102144681797 in words is "one hundred two billion, one hundred forty-four million, six hundred eighty-one thousand, seven hundred ninety-seven".