1284928244629 has 2 divisors, whose sum is σ = 1284928244630. Its totient is φ = 1284928244628.

The previous prime is 1284928244617. The next prime is 1284928244651. The reversal of 1284928244629 is 9264428294821.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1225161196900 + 59767047729 = 1106870^2 + 244473^2 .

It is a cyclic number.

It is not a de Polignac number, because 1284928244629 - 2¹³ = 1284928236437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1284928244609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 642464122314 + 642464122315.

It is an arithmetic number, because the mean of its divisors is an integer number (642464122315).

Almost surely, 2^{1284928244629} is an apocalyptic number.

It is an amenable number.

1284928244629 is a deficient number, since it is larger than the sum of its proper divisors (1).

1284928244629 is an equidigital number, since it uses as much as digits as its factorization.

1284928244629 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31850496, while the sum is 61.

The spelling of 1284928244629 in words is "one trillion, two hundred eighty-four billion, nine hundred twenty-eight million, two hundred forty-four thousand, six hundred twenty-nine".