1290403719071 has 2 divisors, whose sum is σ = 1290403719072. Its totient is φ = 1290403719070.

The previous prime is 1290403719061. The next prime is 1290403719083. The reversal of 1290403719071 is 1709173040921.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1290403719071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1290403719061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 645201859535 + 645201859536.

It is an arithmetic number, because the mean of its divisors is an integer number (645201859536).

Almost surely, 2^{1290403719071} is an apocalyptic number.

1290403719071 is a deficient number, since it is larger than the sum of its proper divisors (1).

1290403719071 is an equidigital number, since it uses as much as digits as its factorization.

1290403719071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 95256, while the sum is 44.

Adding to 1290403719071 its reverse (1709173040921), we get a palindrome (2999576759992).

The spelling of 1290403719071 in words is "one trillion, two hundred ninety billion, four hundred three million, seven hundred nineteen thousand, seventy-one".