862066438133 has 4 divisors (see below), whose sum is σ = 865134290508. Its totient is φ = 858998585760.

The previous prime is 862066438061. The next prime is 862066438141. The reversal of 862066438133 is 331834660268.

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

It can be written as a sum of positive squares in 2 ways, for example, as 650114852209 + 211951585924 = 806297^2 + 460382^2 .

It is a cyclic number.

It is not a de Polignac number, because 862066438133 - 2²⁴ = 862049660917 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 (862066438153) 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, 1533925766 + ... + 1533926327.

It is an arithmetic number, because the mean of its divisors is an integer number (216283572627).

Almost surely, 2^862066438133 is an apocalyptic number.

It is an amenable number.

862066438133 is a deficient number, since it is larger than the sum of its proper divisors (3067852375).

862066438133 is a wasteful number, since it uses less digits than its factorization.

862066438133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3067852374.

The product of its (nonzero) digits is 2985984, while the sum is 50.

The spelling of 862066438133 in words is "eight hundred sixty-two billion, sixty-six million, four hundred thirty-eight thousand, one hundred thirty-three".