37445545799 has 2 divisors, whose sum is σ = 37445545800. Its totient is φ = 37445545798.

The previous prime is 37445545789. The next prime is 37445545847. The reversal of 37445545799 is 99754554473.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 37445545799 - 2²⁴ = 37428768583 is a prime.

It is a super-3 number, since 3×37445545799³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (37445545729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18722772899 + 18722772900.

It is an arithmetic number, because the mean of its divisors is an integer number (18722772900).

Almost surely, 2^37445545799 is an apocalyptic number.

37445545799 is a deficient number, since it is larger than the sum of its proper divisors (1).

37445545799 is an equidigital number, since it uses as much as digits as its factorization.

37445545799 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 95256000, while the sum is 62.

The spelling of 37445545799 in words is "thirty-seven billion, four hundred forty-five million, five hundred forty-five thousand, seven hundred ninety-nine".