37630561543 has 2 divisors, whose sum is σ = 37630561544. Its totient is φ = 37630561542.

The previous prime is 37630561519. The next prime is 37630561571. The reversal of 37630561543 is 34516503673.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 37630561543 - 2¹⁷ = 37630430471 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 37630561543.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (37630561343) 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, 18815280771 + 18815280772.

It is an arithmetic number, because the mean of its divisors is an integer number (18815280772).

Almost surely, 2^37630561543 is an apocalyptic number.

37630561543 is a deficient number, since it is larger than the sum of its proper divisors (1).

37630561543 is an equidigital number, since it uses as much as digits as its factorization.

37630561543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 680400, while the sum is 43.

The spelling of 37630561543 in words is "thirty-seven billion, six hundred thirty million, five hundred sixty-one thousand, five hundred forty-three".