1438316066837 has 128 divisors (see below), whose sum is σ = 1826629056000. Its totient is φ = 1117244620800.

The previous prime is 1438316066821. The next prime is 1438316066843. The reversal of 1438316066837 is 7386606138341.

It is a cyclic number.

It is not a de Polignac number, because 1438316066837 - 2⁴ = 1438316066821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1438316062837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1020805589 + ... + 1020806997.

It is an arithmetic number, because the mean of its divisors is an integer number (14270539500).

Almost surely, 2^{1438316066837} is an apocalyptic number.

1438316066837 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1438316066837 is a deficient number, since it is larger than the sum of its proper divisors (388312989163).

1438316066837 is a wasteful number, since it uses less digits than its factorization.

1438316066837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1671.

The product of its (nonzero) digits is 10450944, while the sum is 56.

The spelling of 1438316066837 in words is "one trillion, four hundred thirty-eight billion, three hundred sixteen million, sixty-six thousand, eight hundred thirty-seven".