37240819193 has 2 divisors, whose sum is σ = 37240819194. Its totient is φ = 37240819192.

The previous prime is 37240819181. The next prime is 37240819207. The reversal of 37240819193 is 39191804273.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35384243449 + 1856575744 = 188107^2 + 43088^2 .

It is an emirp because it is prime and its reverse (39191804273) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 37240819193 - 2¹⁸ = 37240557049 is a prime.

It is a super-2 number, since 2×37240819193² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (37240819163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18620409596 + 18620409597.

It is an arithmetic number, because the mean of its divisors is an integer number (18620409597).

Almost surely, 2^37240819193 is an apocalyptic number.

It is an amenable number.

37240819193 is a deficient number, since it is larger than the sum of its proper divisors (1).

37240819193 is an equidigital number, since it uses as much as digits as its factorization.

37240819193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 326592, while the sum is 47.

The spelling of 37240819193 in words is "thirty-seven billion, two hundred forty million, eight hundred nineteen thousand, one hundred ninety-three".