102638946350 has 12 divisors (see below), whose sum is σ = 190908440304. Its totient is φ = 41055578520.

The previous prime is 102638946341. The next prime is 102638946353. The reversal of 102638946350 is 53649836201.

It is a junction number, because it is equal to n+sod(n) for n = 102638946295 and 102638946304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102638946353) 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 5 ways as a sum of consecutive naturals, for example, 1026389414 + ... + 1026389513.

It is an arithmetic number, because the mean of its divisors is an integer number (15909036692).

Almost surely, 2^102638946350 is an apocalyptic number.

102638946350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102638946350 is a deficient number, since it is larger than the sum of its proper divisors (88269493954).

102638946350 is a wasteful number, since it uses less digits than its factorization.

102638946350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2052778939 (or 2052778934 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 47.

The spelling of 102638946350 in words is "one hundred two billion, six hundred thirty-eight million, nine hundred forty-six thousand, three hundred fifty".