1465644465641 has 2 divisors, whose sum is σ = 1465644465642. Its totient is φ = 1465644465640.

The previous prime is 1465644465613. The next prime is 1465644465653.

1465644465641 is nontrivially palindromic in base 10.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1033760227600 + 431884238041 = 1016740^2 + 657179^2 .

It is a palprime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1465644465641 is a prime.

It is a super-2 number, since 2×1465644465641² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1465644465601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 732822232820 + 732822232821.

It is an arithmetic number, because the mean of its divisors is an integer number (732822232821).

Almost surely, 2^{1465644465641} is an apocalyptic number.

It is an amenable number.

1465644465641 is a deficient number, since it is larger than the sum of its proper divisors (1).

1465644465641 is an equidigital number, since it uses as much as digits as its factorization.

1465644465641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 33177600, while the sum is 56.

The spelling of 1465644465641 in words is "one trillion, four hundred sixty-five billion, six hundred forty-four million, four hundred sixty-five thousand, six hundred forty-one".