1884701087641 has 2 divisors, whose sum is σ = 1884701087642. Its totient is φ = 1884701087640.

The previous prime is 1884701087639. The next prime is 1884701087681. The reversal of 1884701087641 is 1467801074881.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1739009251225 + 145691836416 = 1318715^2 + 381696^2 .

It is an emirp because it is prime and its reverse (1467801074881) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1884701087641 - 2¹ = 1884701087639 is a prime.

Together with 1884701087639, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1884701087681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 942350543820 + 942350543821.

It is an arithmetic number, because the mean of its divisors is an integer number (942350543821).

Almost surely, 2^{1884701087641} is an apocalyptic number.

It is an amenable number.

1884701087641 is a deficient number, since it is larger than the sum of its proper divisors (1).

1884701087641 is an equidigital number, since it uses as much as digits as its factorization.

1884701087641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2408448, while the sum is 55.

The spelling of 1884701087641 in words is "one trillion, eight hundred eighty-four billion, seven hundred one million, eighty-seven thousand, six hundred forty-one".