1385323706851 has 4 divisors (see below), whose sum is σ = 1583227093552. Its totient is φ = 1187420320152.

The previous prime is 1385323706849. The next prime is 1385323706857. The reversal of 1385323706851 is 1586073235831.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1385323706851 - 2¹ = 1385323706849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1385323706857) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98951693340 + ... + 98951693353.

It is an arithmetic number, because the mean of its divisors is an integer number (395806773388).

Almost surely, 2^{1385323706851} is an apocalyptic number.

1385323706851 is a deficient number, since it is larger than the sum of its proper divisors (197903386701).

1385323706851 is an equidigital number, since it uses as much as digits as its factorization.

1385323706851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197903386700.

The product of its (nonzero) digits is 3628800, while the sum is 52.

The spelling of 1385323706851 in words is "one trillion, three hundred eighty-five billion, three hundred twenty-three million, seven hundred six thousand, eight hundred fifty-one".