37440136193 has 2 divisors, whose sum is σ = 37440136194. Its totient is φ = 37440136192.

The previous prime is 37440136171. The next prime is 37440136211. The reversal of 37440136193 is 39163104473.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37082434624 + 357701569 = 192568^2 + 18913^2 .

It is a cyclic number.

It is not a de Polignac number, because 37440136193 - 2¹² = 37440132097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 37440136193.

It is not a weakly prime, because it can be changed into another prime (37440136693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18720068096 + 18720068097.

It is an arithmetic number, because the mean of its divisors is an integer number (18720068097).

Almost surely, 2^37440136193 is an apocalyptic number.

It is an amenable number.

37440136193 is a deficient number, since it is larger than the sum of its proper divisors (1).

37440136193 is an equidigital number, since it uses as much as digits as its factorization.

37440136193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 41.

The spelling of 37440136193 in words is "thirty-seven billion, four hundred forty million, one hundred thirty-six thousand, one hundred ninety-three".