1941815006387 has 4 divisors (see below), whose sum is σ = 1942767345360. Its totient is φ = 1940862667416.

The previous prime is 1941815006359. The next prime is 1941815006393. The reversal of 1941815006387 is 7836005181491.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1941815006387 - 2⁶ = 1941815006323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1941815008387) 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, 476166428 + ... + 476170505.

It is an arithmetic number, because the mean of its divisors is an integer number (485691836340).

Almost surely, 2^{1941815006387} is an apocalyptic number.

1941815006387 is a deficient number, since it is larger than the sum of its proper divisors (952338973).

1941815006387 is an equidigital number, since it uses as much as digits as its factorization.

1941815006387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 952338972.

The product of its (nonzero) digits is 1451520, while the sum is 53.

The spelling of 1941815006387 in words is "one trillion, nine hundred forty-one billion, eight hundred fifteen million, six thousand, three hundred eighty-seven".