37081231049 has 2 divisors, whose sum is σ = 37081231050. Its totient is φ = 37081231048.

The previous prime is 37081231039. The next prime is 37081231067. The reversal of 37081231049 is 94013218073.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37063950400 + 17280649 = 192520^2 + 4157^2 .

It is a cyclic number.

It is not a de Polignac number, because 37081231049 - 2¹² = 37081226953 is a prime.

It is a super-2 number, since 2×37081231049² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (37081231039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18540615524 + 18540615525.

It is an arithmetic number, because the mean of its divisors is an integer number (18540615525).

Almost surely, 2^37081231049 is an apocalyptic number.

It is an amenable number.

37081231049 is a deficient number, since it is larger than the sum of its proper divisors (1).

37081231049 is an equidigital number, since it uses as much as digits as its factorization.

37081231049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 38.

The spelling of 37081231049 in words is "thirty-seven billion, eighty-one million, two hundred thirty-one thousand, forty-nine".