1738523906868 has 72 divisors (see below), whose sum is σ = 4719536183712. Its totient is φ = 496648950336.

The previous prime is 1738523906863. The next prime is 1738523906869. The reversal of 1738523906868 is 8686093258371.

It is a junction number, because it is equal to n+sod(n) for n = 1738523906799 and 1738523906808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1738523906863) 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 23 ways as a sum of consecutive naturals, for example, 3902955 + ... + 4325517.

Almost surely, 2^{1738523906868} is an apocalyptic number.

It is an amenable number.

1738523906868 is an abundant number, since it is smaller than the sum of its proper divisors (2981012276844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1738523906868 is a wasteful number, since it uses less digits than its factorization.

1738523906868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429581 (or 429572 counting only the distinct ones).

The product of its (nonzero) digits is 104509440, while the sum is 66.

The spelling of 1738523906868 in words is "one trillion, seven hundred thirty-eight billion, five hundred twenty-three million, nine hundred six thousand, eight hundred sixty-eight".