1385429066623 has 8 divisors (see below), whose sum is σ = 1583919752192. Its totient is φ = 1187081442936.

The previous prime is 1385429066621. The next prime is 1385429066683. The reversal of 1385429066623 is 3266609245831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1385429066623 - 2¹ = 1385429066621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1385429066621) 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 7 ways as a sum of consecutive naturals, for example, 35744715 + ... + 35783452.

It is an arithmetic number, because the mean of its divisors is an integer number (197989969024).

Almost surely, 2^{1385429066623} is an apocalyptic number.

1385429066623 is a deficient number, since it is larger than the sum of its proper divisors (198490685569).

1385429066623 is an equidigital number, since it uses as much as digits as its factorization.

1385429066623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71530941.

The product of its (nonzero) digits is 11197440, while the sum is 55.

The spelling of 1385429066623 in words is "one trillion, three hundred eighty-five billion, four hundred twenty-nine million, sixty-six thousand, six hundred twenty-three".