37681049803 has 2 divisors, whose sum is σ = 37681049804. Its totient is φ = 37681049802.

The previous prime is 37681049741. The next prime is 37681049821. The reversal of 37681049803 is 30894018673.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 37681049803 - 2²¹ = 37678952651 is a prime.

It is not a weakly prime, because it can be changed into another prime (37681049873) 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, 18840524901 + 18840524902.

It is an arithmetic number, because the mean of its divisors is an integer number (18840524902).

Almost surely, 2^37681049803 is an apocalyptic number.

37681049803 is a deficient number, since it is larger than the sum of its proper divisors (1).

37681049803 is an equidigital number, since it uses as much as digits as its factorization.

37681049803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 870912, while the sum is 49.

The spelling of 37681049803 in words is "thirty-seven billion, six hundred eighty-one million, forty-nine thousand, eight hundred three".