37345154449 has 2 divisors, whose sum is σ = 37345154450. Its totient is φ = 37345154448.

The previous prime is 37345154437. The next prime is 37345154491. The reversal of 37345154449 is 94445154373.

It is a happy number.

37345154449 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., 35781505600 + 1563648849 = 189160^2 + 39543^2 .

It is a cyclic number.

It is not a de Polignac number, because 37345154449 - 2¹³ = 37345146257 is a prime.

It is not a weakly prime, because it can be changed into another prime (37345154849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18672577224 + 18672577225.

It is an arithmetic number, because the mean of its divisors is an integer number (18672577225).

Almost surely, 2^37345154449 is an apocalyptic number.

It is an amenable number.

37345154449 is a deficient number, since it is larger than the sum of its proper divisors (1).

37345154449 is an equidigital number, since it uses as much as digits as its factorization.

37345154449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3628800, while the sum is 49.

The spelling of 37345154449 in words is "thirty-seven billion, three hundred forty-five million, one hundred fifty-four thousand, four hundred forty-nine".