1438316066836 has 12 divisors (see below), whose sum is σ = 2745876127680. Its totient is φ = 653780030360.

The previous prime is 1438316066821. The next prime is 1438316066843. The reversal of 1438316066836 is 6386606138341.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16344500716 + ... + 16344500803.

It is an arithmetic number, because the mean of its divisors is an integer number (228823010640).

Almost surely, 2^{1438316066836} is an apocalyptic number.

It is an amenable number.

1438316066836 is a deficient number, since it is larger than the sum of its proper divisors (1307560060844).

1438316066836 is a wasteful number, since it uses less digits than its factorization.

1438316066836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32689001534 (or 32689001532 counting only the distinct ones).

The product of its (nonzero) digits is 8957952, while the sum is 55.

The spelling of 1438316066836 in words is "one trillion, four hundred thirty-eight billion, three hundred sixteen million, sixty-six thousand, eight hundred thirty-six".