1842398960845 has 8 divisors (see below), whose sum is σ = 2210896640664. Its totient is φ = 1473907243584.

The previous prime is 1842398960827. The next prime is 1842398960863. The reversal of 1842398960845 is 5480698932481.

It is an interprime number because it is at equal distance from previous prime (1842398960827) and next prime (1842398960863).

It can be written as a sum of positive squares in 4 ways, for example, as 265593868164 + 1576805092681 = 515358^2 + 1255709^2 .

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 1842398960845 - 2²¹ = 1842396863693 is a prime.

It is a super-2 number, since 2×1842398960845² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 780054 + ... + 2072023.

It is an arithmetic number, because the mean of its divisors is an integer number (276362080083).

Almost surely, 2^{1842398960845} is an apocalyptic number.

It is an amenable number.

1842398960845 is a deficient number, since it is larger than the sum of its proper divisors (368497679819).

1842398960845 is a wasteful number, since it uses less digits than its factorization.

1842398960845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2981279.

The product of its (nonzero) digits is 119439360, while the sum is 67.

The spelling of 1842398960845 in words is "one trillion, eight hundred forty-two billion, three hundred ninety-eight million, nine hundred sixty thousand, eight hundred forty-five".