1385653638841 has 8 divisors (see below), whose sum is σ = 1403215390080. Its totient is φ = 1368092433552.

The previous prime is 1385653638821. The next prime is 1385653638851. The reversal of 1385653638841 is 1488363565831.

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 1385653638841 - 2⁷ = 1385653638713 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1385653638841.

It is not an unprimeable number, because it can be changed into a prime (1385653638821) 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, 8100786 + ... + 8270068.

It is an arithmetic number, because the mean of its divisors is an integer number (175401923760).

Almost surely, 2^{1385653638841} is an apocalyptic number.

It is an amenable number.

1385653638841 is a deficient number, since it is larger than the sum of its proper divisors (17561751239).

1385653638841 is a wasteful number, since it uses less digits than its factorization.

1385653638841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272975.

The product of its digits is 49766400, while the sum is 61.

The spelling of 1385653638841 in words is "one trillion, three hundred eighty-five billion, six hundred fifty-three million, six hundred thirty-eight thousand, eight hundred forty-one".