37423646497 has 2 divisors, whose sum is σ = 37423646498. Its totient is φ = 37423646496.

The previous prime is 37423646489. The next prime is 37423646527. The reversal of 37423646497 is 79464632473.

37423646497 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., 37373009041 + 50637456 = 193321^2 + 7116^2 .

It is a cyclic number.

It is not a de Polignac number, because 37423646497 - 2³ = 37423646489 is a prime.

It is not a weakly prime, because it can be changed into another prime (37423646417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18711823248 + 18711823249.

It is an arithmetic number, because the mean of its divisors is an integer number (18711823249).

Almost surely, 2^37423646497 is an apocalyptic number.

It is an amenable number.

37423646497 is a deficient number, since it is larger than the sum of its proper divisors (1).

37423646497 is an equidigital number, since it uses as much as digits as its factorization.

37423646497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18289152, while the sum is 55.

The spelling of 37423646497 in words is "thirty-seven billion, four hundred twenty-three million, six hundred forty-six thousand, four hundred ninety-seven".