1046626565749 has 2 divisors, whose sum is σ = 1046626565750. Its totient is φ = 1046626565748.

The previous prime is 1046626565731. The next prime is 1046626565891. The reversal of 1046626565749 is 9475656266401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 661264965124 + 385361600625 = 813182^2 + 620775^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1046626565749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1046626565249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 523313282874 + 523313282875.

It is an arithmetic number, because the mean of its divisors is an integer number (523313282875).

Almost surely, 2^{1046626565749} is an apocalyptic number.

It is an amenable number.

1046626565749 is a deficient number, since it is larger than the sum of its proper divisors (1).

1046626565749 is an equidigital number, since it uses as much as digits as its factorization.

1046626565749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 65318400, while the sum is 61.

The spelling of 1046626565749 in words is "one trillion, forty-six billion, six hundred twenty-six million, five hundred sixty-five thousand, seven hundred forty-nine".