1867650312313 has 4 divisors (see below), whose sum is σ = 1867700411280. Its totient is φ = 1867600213348.

The previous prime is 1867650312271. The next prime is 1867650312331. The reversal of 1867650312313 is 3132130567681.

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 a cyclic number.

It is not a de Polignac number, because 1867650312313 - 2³³ = 1859060377721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1867650312413) 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, 24993523 + ... + 25068136.

It is an arithmetic number, because the mean of its divisors is an integer number (466925102820).

Almost surely, 2^{1867650312313} is an apocalyptic number.

It is an amenable number.

1867650312313 is a deficient number, since it is larger than the sum of its proper divisors (50098967).

1867650312313 is an equidigital number, since it uses as much as digits as its factorization.

1867650312313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50098966.

The product of its (nonzero) digits is 544320, while the sum is 46.

Adding to 1867650312313 its reverse (3132130567681), we get a palindrome (4999780879994).

The spelling of 1867650312313 in words is "one trillion, eight hundred sixty-seven billion, six hundred fifty million, three hundred twelve thousand, three hundred thirteen".