37649766794741 has 2 divisors, whose sum is σ = 37649766794742. Its totient is φ = 37649766794740.

The previous prime is 37649766794609. The next prime is 37649766794747. The reversal of 37649766794741 is 14749766794673.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37517205266641 + 132561528100 = 6125129^2 + 364090^2 .

It is an emirp because it is prime and its reverse (14749766794673) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 37649766794741 - 2¹⁸ = 37649766532597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (37649766794747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18824883397370 + 18824883397371.

It is an arithmetic number, because the mean of its divisors is an integer number (18824883397371).

Almost surely, 2^{37649766794741} is an apocalyptic number.

It is an amenable number.

37649766794741 is a deficient number, since it is larger than the sum of its proper divisors (1).

37649766794741 is an equidigital number, since it uses as much as digits as its factorization.

37649766794741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8065516032, while the sum is 80.

The spelling of 37649766794741 in words is "thirty-seven trillion, six hundred forty-nine billion, seven hundred sixty-six million, seven hundred ninety-four thousand, seven hundred forty-one".