37973437973 has 2 divisors, whose sum is σ = 37973437974. Its totient is φ = 37973437972.

The previous prime is 37973437969. The next prime is 37973437979.

37973437973 is nontrivially palindromic in base 10.

37973437973 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20695124164 + 17278313809 = 143858^2 + 131447^2 .

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 37973437973 - 2² = 37973437969 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (37973437979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18986718986 + 18986718987.

It is an arithmetic number, because the mean of its divisors is an integer number (18986718987).

Almost surely, 2^37973437973 is an apocalyptic number.

It is an amenable number.

37973437973 is a deficient number, since it is larger than the sum of its proper divisors (1).

37973437973 is an equidigital number, since it uses as much as digits as its factorization.

37973437973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 63011844, while the sum is 62.

The spelling of 37973437973 in words is "thirty-seven billion, nine hundred seventy-three million, four hundred thirty-seven thousand, nine hundred seventy-three".