102405374329 has 6 divisors (see below), whose sum is σ = 102922599930. Its totient is φ = 101890735056.

The previous prime is 102405374263. The next prime is 102405374347. The reversal of 102405374329 is 923473504201.

It can be written as a sum of positive squares in only one way, i.e., 54488164329 + 47917210000 = 233427^2 + 218900^2 .

It is not a de Polignac number, because 102405374329 - 2⁹ = 102405373817 is a prime.

It is a super-2 number, since 2×102405374329² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102405374291 and 102405374300.

It is not an unprimeable number, because it can be changed into a prime (102405374429) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1253364 + ... + 1332565.

It is an arithmetic number, because the mean of its divisors is an integer number (17153766655).

Almost surely, 2^102405374329 is an apocalyptic number.

It is an amenable number.

102405374329 is a deficient number, since it is larger than the sum of its proper divisors (517225601).

102405374329 is an frugal number, since it uses more digits than its factorization.

102405374329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2586327 (or 2586128 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 40.

The spelling of 102405374329 in words is "one hundred two billion, four hundred five million, three hundred seventy-four thousand, three hundred twenty-nine".