862418575049 has 4 divisors (see below), whose sum is σ = 862422802836. Its totient is φ = 862414347264.

The previous prime is 862418575043. The next prime is 862418575063. The reversal of 862418575049 is 940575814268.

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 535414158400 + 327004416649 = 731720^2 + 571843^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-862418575049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (862418575043) 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 3 ways as a sum of consecutive naturals, for example, 1791524 + ... + 2221349.

It is an arithmetic number, because the mean of its divisors is an integer number (215605700709).

Almost surely, 2^862418575049 is an apocalyptic number.

It is an amenable number.

862418575049 is a deficient number, since it is larger than the sum of its proper divisors (4227787).

862418575049 is a wasteful number, since it uses less digits than its factorization.

862418575049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4227786.

The product of its (nonzero) digits is 19353600, while the sum is 59.

The spelling of 862418575049 in words is "eight hundred sixty-two billion, four hundred eighteen million, five hundred seventy-five thousand, forty-nine".