102354438205 has 8 divisors (see below), whose sum is σ = 129289816800. Its totient is φ = 77573889936.

The previous prime is 102354438203. The next prime is 102354438211. The reversal of 102354438205 is 502834453201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102354438205 - 2¹ = 102354438203 is a prime.

It is a super-2 number, since 2×102354438205² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102354438203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 538707475 + ... + 538707664.

It is an arithmetic number, because the mean of its divisors is an integer number (16161227100).

Almost surely, 2^102354438205 is an apocalyptic number.

It is an amenable number.

102354438205 is a deficient number, since it is larger than the sum of its proper divisors (26935378595).

102354438205 is a wasteful number, since it uses less digits than its factorization.

102354438205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1077415163.

The product of its (nonzero) digits is 115200, while the sum is 37.

The spelling of 102354438205 in words is "one hundred two billion, three hundred fifty-four million, four hundred thirty-eight thousand, two hundred five".