37664920753 has 2 divisors, whose sum is σ = 37664920754. Its totient is φ = 37664920752.

The previous prime is 37664920751. The next prime is 37664920757. The reversal of 37664920753 is 35702946673.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30287485089 + 7377435664 = 174033^2 + 85892^2 .

It is a cyclic number.

It is not a de Polignac number, because 37664920753 - 2¹ = 37664920751 is a prime.

It is a super-3 number, since 3×37664920753³ (a number of 33 digits) contains 333 as substring.

Together with 37664920751, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 37664920753.

It is not a weakly prime, because it can be changed into another prime (37664920751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18832460376 + 18832460377.

It is an arithmetic number, because the mean of its divisors is an integer number (18832460377).

Almost surely, 2^37664920753 is an apocalyptic number.

It is an amenable number.

37664920753 is a deficient number, since it is larger than the sum of its proper divisors (1).

37664920753 is an equidigital number, since it uses as much as digits as its factorization.

37664920753 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5715360, while the sum is 52.

The spelling of 37664920753 in words is "thirty-seven billion, six hundred sixty-four million, nine hundred twenty thousand, seven hundred fifty-three".