1862438848993 has 2 divisors, whose sum is σ = 1862438848994. Its totient is φ = 1862438848992.

The previous prime is 1862438848861. The next prime is 1862438848999. The reversal of 1862438848993 is 3998488342681.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1697723003089 + 164715845904 = 1302967^2 + 405852^2 .

It is a cyclic number.

It is not a de Polignac number, because 1862438848993 - 2²⁹ = 1861901978081 is a prime.

It is a super-2 number, since 2×1862438848993² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1862438848999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 931219424496 + 931219424497.

It is an arithmetic number, because the mean of its divisors is an integer number (931219424497).

Almost surely, 2^{1862438848993} is an apocalyptic number.

It is an amenable number.

1862438848993 is a deficient number, since it is larger than the sum of its proper divisors (1).

1862438848993 is an equidigital number, since it uses as much as digits as its factorization.

1862438848993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 573308928, while the sum is 73.

The spelling of 1862438848993 in words is "one trillion, eight hundred sixty-two billion, four hundred thirty-eight million, eight hundred forty-eight thousand, nine hundred ninety-three".