1638050412847 has 2 divisors, whose sum is σ = 1638050412848. Its totient is φ = 1638050412846.

The previous prime is 1638050412769. The next prime is 1638050412899. The reversal of 1638050412847 is 7482140508361.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1638050412847 - 2¹⁵ = 1638050380079 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1638050412847.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1638050412247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 819025206423 + 819025206424.

It is an arithmetic number, because the mean of its divisors is an integer number (819025206424).

Almost surely, 2^{1638050412847} is an apocalyptic number.

1638050412847 is a deficient number, since it is larger than the sum of its proper divisors (1).

1638050412847 is an equidigital number, since it uses as much as digits as its factorization.

1638050412847 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1290240, while the sum is 49.

The spelling of 1638050412847 in words is "one trillion, six hundred thirty-eight billion, fifty million, four hundred twelve thousand, eight hundred forty-seven".