37541167649 has 2 divisors, whose sum is σ = 37541167650. Its totient is φ = 37541167648.

The previous prime is 37541167633. The next prime is 37541167681. The reversal of 37541167649 is 94676114573.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32650683025 + 4890484624 = 180695^2 + 69932^2 .

It is a cyclic number.

It is not a de Polignac number, because 37541167649 - 2⁴ = 37541167633 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 37541167649.

It is not a weakly prime, because it can be changed into another prime (37541167549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18770583824 + 18770583825.

It is an arithmetic number, because the mean of its divisors is an integer number (18770583825).

Almost surely, 2^37541167649 is an apocalyptic number.

It is an amenable number.

37541167649 is a deficient number, since it is larger than the sum of its proper divisors (1).

37541167649 is an equidigital number, since it uses as much as digits as its factorization.

37541167649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3810240, while the sum is 53.

The spelling of 37541167649 in words is "thirty-seven billion, five hundred forty-one million, one hundred sixty-seven thousand, six hundred forty-nine".