11440464613 has 2 divisors, whose sum is σ = 11440464614. Its totient is φ = 11440464612.

The previous prime is 11440464611. The next prime is 11440464677. The reversal of 11440464613 is 31646404411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10666345284 + 774119329 = 103278^2 + 27823^2 .

It is a cyclic number.

It is not a de Polignac number, because 11440464613 - 2¹ = 11440464611 is a prime.

It is a super-2 number, since 2×11440464613² (a number of 21 digits) contains 22 as substring.

Together with 11440464611, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11440464611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5720232306 + 5720232307.

It is an arithmetic number, because the mean of its divisors is an integer number (5720232307).

Almost surely, 2^11440464613 is an apocalyptic number.

It is an amenable number.

11440464613 is a deficient number, since it is larger than the sum of its proper divisors (1).

11440464613 is an equidigital number, since it uses as much as digits as its factorization.

11440464613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 34.

The spelling of 11440464613 in words is "eleven billion, four hundred forty million, four hundred sixty-four thousand, six hundred thirteen".