37730343641 has 2 divisors, whose sum is σ = 37730343642. Its totient is φ = 37730343640.

The previous prime is 37730343613. The next prime is 37730343671. The reversal of 37730343641 is 14634303773.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36788774416 + 941569225 = 191804^2 + 30685^2 .

It is a cyclic number.

It is not a de Polignac number, because 37730343641 - 2²² = 37726149337 is a prime.

It is not a weakly prime, because it can be changed into another prime (37730343601) 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, 18865171820 + 18865171821.

It is an arithmetic number, because the mean of its divisors is an integer number (18865171821).

Almost surely, 2^37730343641 is an apocalyptic number.

It is an amenable number.

37730343641 is a deficient number, since it is larger than the sum of its proper divisors (1).

37730343641 is an equidigital number, since it uses as much as digits as its factorization.

37730343641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 381024, while the sum is 41.

The spelling of 37730343641 in words is "thirty-seven billion, seven hundred thirty million, three hundred forty-three thousand, six hundred forty-one".