1649683814411 has 2 divisors, whose sum is σ = 1649683814412. Its totient is φ = 1649683814410.

The previous prime is 1649683814399. The next prime is 1649683814473. The reversal of 1649683814411 is 1144183869461.

It is a weak prime.

It is an emirp because it is prime and its reverse (1144183869461) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1649683814411 - 2²⁶ = 1649616705547 is a prime.

It is not a weakly prime, because it can be changed into another prime (1649683814491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 824841907205 + 824841907206.

It is an arithmetic number, because the mean of its divisors is an integer number (824841907206).

Almost surely, 2^{1649683814411} is an apocalyptic number.

1649683814411 is a deficient number, since it is larger than the sum of its proper divisors (1).

1649683814411 is an equidigital number, since it uses as much as digits as its factorization.

1649683814411 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3981312, while the sum is 56.

The spelling of 1649683814411 in words is "one trillion, six hundred forty-nine billion, six hundred eighty-three million, eight hundred fourteen thousand, four hundred eleven".