102444664443 has 16 divisors (see below), whose sum is σ = 149272329600. Its totient is φ = 61978546880.

The previous prime is 102444664433. The next prime is 102444664453. The reversal of 102444664443 is 344466444201.

It is an interprime number because it is at equal distance from previous prime (102444664433) and next prime (102444664453).

It is a cyclic number.

It is not a de Polignac number, because 102444664443 - 2⁵ = 102444664411 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102444664395 and 102444664404.

It is not an unprimeable number, because it can be changed into a prime (102444664403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2709153 + ... + 2746706.

It is an arithmetic number, because the mean of its divisors is an integer number (9329520600).

Almost surely, 2^102444664443 is an apocalyptic number.

102444664443 is a deficient number, since it is larger than the sum of its proper divisors (46827665157).

102444664443 is a wasteful number, since it uses less digits than its factorization.

102444664443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5456442.

The product of its (nonzero) digits is 884736, while the sum is 42.

The spelling of 102444664443 in words is "one hundred two billion, four hundred forty-four million, six hundred sixty-four thousand, four hundred forty-three".