1864944148341 has 4 divisors (see below), whose sum is σ = 2486592197792. Its totient is φ = 1243296098892.

The previous prime is 1864944148339. The next prime is 1864944148391. The reversal of 1864944148341 is 1438414494681.

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 not a de Polignac number, because 1864944148341 - 2¹ = 1864944148339 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1864944148391) 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, 310824024721 + ... + 310824024726.

It is an arithmetic number, because the mean of its divisors is an integer number (621648049448).

Almost surely, 2^{1864944148341} is an apocalyptic number.

It is an amenable number.

1864944148341 is a deficient number, since it is larger than the sum of its proper divisors (621648049451).

1864944148341 is an equidigital number, since it uses as much as digits as its factorization.

1864944148341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621648049450.

The product of its digits is 10616832, while the sum is 57.

The spelling of 1864944148341 in words is "one trillion, eight hundred sixty-four billion, nine hundred forty-four million, one hundred forty-eight thousand, three hundred forty-one".