1384545894857 has 4 divisors (see below), whose sum is σ = 1385618356176. Its totient is φ = 1383473433540.

The previous prime is 1384545894847. The next prime is 1384545894859. The reversal of 1384545894857 is 7584985454831.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1384545894857 - 2¹⁰ = 1384545893833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1384545894859) 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, 536228723 + ... + 536231304.

It is an arithmetic number, because the mean of its divisors is an integer number (346404589044).

Almost surely, 2^{1384545894857} is an apocalyptic number.

It is an amenable number.

1384545894857 is a deficient number, since it is larger than the sum of its proper divisors (1072461319).

1384545894857 is a wasteful number, since it uses less digits than its factorization.

1384545894857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1072461318.

The product of its digits is 774144000, while the sum is 71.

The spelling of 1384545894857 in words is "one trillion, three hundred eighty-four billion, five hundred forty-five million, eight hundred ninety-four thousand, eight hundred fifty-seven".