11737454609 has 2 divisors, whose sum is σ = 11737454610. Its totient is φ = 11737454608.

The previous prime is 11737454591. The next prime is 11737454627. The reversal of 11737454609 is 90645473711.

11737454609 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (11737454591) and next prime (11737454627).

It can be written as a sum of positive squares in only one way, i.e., 6950890384 + 4786564225 = 83372^2 + 69185^2 .

It is a cyclic number.

It is not a de Polignac number, because 11737454609 - 2¹² = 11737450513 is a prime.

It is not a weakly prime, because it can be changed into another prime (11737454009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5868727304 + 5868727305.

It is an arithmetic number, because the mean of its divisors is an integer number (5868727305).

Almost surely, 2^11737454609 is an apocalyptic number.

It is an amenable number.

11737454609 is a deficient number, since it is larger than the sum of its proper divisors (1).

11737454609 is an equidigital number, since it uses as much as digits as its factorization.

11737454609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 635040, while the sum is 47.

The spelling of 11737454609 in words is "eleven billion, seven hundred thirty-seven million, four hundred fifty-four thousand, six hundred nine".