11748339637 has 2 divisors, whose sum is σ = 11748339638. Its totient is φ = 11748339636.

The previous prime is 11748339623. The next prime is 11748339653. The reversal of 11748339637 is 73693384711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11707456401 + 40883236 = 108201^2 + 6394^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11748339637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11748339737) 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, 5874169818 + 5874169819.

It is an arithmetic number, because the mean of its divisors is an integer number (5874169819).

Almost surely, 2^11748339637 is an apocalyptic number.

It is an amenable number.

11748339637 is a deficient number, since it is larger than the sum of its proper divisors (1).

11748339637 is an equidigital number, since it uses as much as digits as its factorization.

11748339637 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2286144, while the sum is 52.

The spelling of 11748339637 in words is "eleven billion, seven hundred forty-eight million, three hundred thirty-nine thousand, six hundred thirty-seven".