37483583811581 has 2 divisors, whose sum is σ = 37483583811582. Its totient is φ = 37483583811580.

The previous prime is 37483583811551. The next prime is 37483583811589. The reversal of 37483583811581 is 18511838538473.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20880933428356 + 16602650383225 = 4569566^2 + 4074635^2 .

It is a cyclic number.

It is not a de Polignac number, because 37483583811581 - 2¹⁸ = 37483583549437 is a prime.

It is a super-2 number, since 2×37483583811581² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (37483583811589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18741791905790 + 18741791905791.

It is an arithmetic number, because the mean of its divisors is an integer number (18741791905791).

Almost surely, 2^{37483583811581} is an apocalyptic number.

It is an amenable number.

37483583811581 is a deficient number, since it is larger than the sum of its proper divisors (1).

37483583811581 is an equidigital number, since it uses as much as digits as its factorization.

37483583811581 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77414400, while the sum is 65.

The spelling of 37483583811581 in words is "thirty-seven trillion, four hundred eighty-three billion, five hundred eighty-three million, eight hundred eleven thousand, five hundred eighty-one".