37542983813 has 2 divisors, whose sum is σ = 37542983814. Its totient is φ = 37542983812.

The previous prime is 37542983809. The next prime is 37542983827. The reversal of 37542983813 is 31838924573.

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., 24651198049 + 12891785764 = 157007^2 + 113542^2 .

It is a cyclic number.

It is not a de Polignac number, because 37542983813 - 2² = 37542983809 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (37542983833) 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, 18771491906 + 18771491907.

It is an arithmetic number, because the mean of its divisors is an integer number (18771491907).

Almost surely, 2^37542983813 is an apocalyptic number.

It is an amenable number.

37542983813 is a deficient number, since it is larger than the sum of its proper divisors (1).

37542983813 is an equidigital number, since it uses as much as digits as its factorization.

37542983813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4354560, while the sum is 53.

The spelling of 37542983813 in words is "thirty-seven billion, five hundred forty-two million, nine hundred eighty-three thousand, eight hundred thirteen".