43374249537037 has 2 divisors, whose sum is σ = 43374249537038. Its totient is φ = 43374249537036.

The previous prime is 43374249536971. The next prime is 43374249537071. The reversal of 43374249537037 is 73073594247334.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34488299910276 + 8885949626761 = 5872674^2 + 2980931^2 .

It is a cyclic number.

It is not a de Polignac number, because 43374249537037 - 2⁷ = 43374249536909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43374249534037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21687124768518 + 21687124768519.

It is an arithmetic number, because the mean of its divisors is an integer number (21687124768519).

Almost surely, 2^{43374249537037} is an apocalyptic number.

It is an amenable number.

43374249537037 is a deficient number, since it is larger than the sum of its proper divisors (1).

43374249537037 is an equidigital number, since it uses as much as digits as its factorization.

43374249537037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 160030080, while the sum is 61.

The spelling of 43374249537037 in words is "forty-three trillion, three hundred seventy-four billion, two hundred forty-nine million, five hundred thirty-seven thousand, thirty-seven".