37081919999 has 2 divisors, whose sum is σ = 37081920000. Its totient is φ = 37081919998.

The previous prime is 37081919971. The next prime is 37081920037. The reversal of 37081919999 is 99991918073.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 37081919999 - 2¹⁶ = 37081854463 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (37081919909) 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, 18540959999 + 18540960000.

It is an arithmetic number, because the mean of its divisors is an integer number (18540960000).

Almost surely, 2^37081919999 is an apocalyptic number.

37081919999 is a deficient number, since it is larger than the sum of its proper divisors (1).

37081919999 is an equidigital number, since it uses as much as digits as its factorization.

37081919999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9920232, while the sum is 65.

The spelling of 37081919999 in words is "thirty-seven billion, eighty-one million, nine hundred nineteen thousand, nine hundred ninety-nine".