37873546813 has 2 divisors, whose sum is σ = 37873546814. Its totient is φ = 37873546812.

The previous prime is 37873546769. The next prime is 37873546829. The reversal of 37873546813 is 31864537873.

It is a happy number.

37873546813 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21761560324 + 16111986489 = 147518^2 + 126933^2 .

It is a cyclic number.

It is not a de Polignac number, because 37873546813 - 2⁹ = 37873546301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (37873546313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18936773406 + 18936773407.

It is an arithmetic number, because the mean of its divisors is an integer number (18936773407).

Almost surely, 2^37873546813 is an apocalyptic number.

It is an amenable number.

37873546813 is a deficient number, since it is larger than the sum of its proper divisors (1).

37873546813 is an equidigital number, since it uses as much as digits as its factorization.

37873546813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10160640, while the sum is 55.

The spelling of 37873546813 in words is "thirty-seven billion, eight hundred seventy-three million, five hundred forty-six thousand, eight hundred thirteen".