37043989849 has 2 divisors, whose sum is σ = 37043989850. Its totient is φ = 37043989848.

The previous prime is 37043989823. The next prime is 37043989889. The reversal of 37043989849 is 94898934073.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33085063449 + 3958926400 = 181893^2 + 62920^2 .

It is a cyclic number.

It is not a de Polignac number, because 37043989849 - 2¹⁵ = 37043957081 is a prime.

It is not a weakly prime, because it can be changed into another prime (37043989889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18521994924 + 18521994925.

It is an arithmetic number, because the mean of its divisors is an integer number (18521994925).

Almost surely, 2^37043989849 is an apocalyptic number.

It is an amenable number.

37043989849 is a deficient number, since it is larger than the sum of its proper divisors (1).

37043989849 is an equidigital number, since it uses as much as digits as its factorization.

37043989849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47029248, while the sum is 64.

The spelling of 37043989849 in words is "thirty-seven billion, forty-three million, nine hundred eighty-nine thousand, eight hundred forty-nine".