37544315243 has 2 divisors, whose sum is σ = 37544315244. Its totient is φ = 37544315242.

The previous prime is 37544315239. The next prime is 37544315279. The reversal of 37544315243 is 34251344573.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 37544315243 - 2² = 37544315239 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 37544315243.

It is not a weakly prime, because it can be changed into another prime (37544312243) 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, 18772157621 + 18772157622.

It is an arithmetic number, because the mean of its divisors is an integer number (18772157622).

Almost surely, 2^37544315243 is an apocalyptic number.

37544315243 is a deficient number, since it is larger than the sum of its proper divisors (1).

37544315243 is an equidigital number, since it uses as much as digits as its factorization.

37544315243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 604800, while the sum is 41.

The spelling of 37544315243 in words is "thirty-seven billion, five hundred forty-four million, three hundred fifteen thousand, two hundred forty-three".