1385459186447 has 8 divisors (see below), whose sum is σ = 1583612493600. Its totient is φ = 1187363520864.

The previous prime is 1385459186443. The next prime is 1385459186479. The reversal of 1385459186447 is 7446819545831.

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 1385459186447 - 2² = 1385459186443 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 (1385459186443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14358872 + ... + 14455037.

It is an arithmetic number, because the mean of its divisors is an integer number (197951561700).

Almost surely, 2^{1385459186447} is an apocalyptic number.

1385459186447 is a deficient number, since it is larger than the sum of its proper divisors (198153307153).

1385459186447 is an equidigital number, since it uses as much as digits as its factorization.

1385459186447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28820785.

The product of its digits is 116121600, while the sum is 65.

The spelling of 1385459186447 in words is "one trillion, three hundred eighty-five billion, four hundred fifty-nine million, one hundred eighty-six thousand, four hundred forty-seven".