37646650043 has 2 divisors, whose sum is σ = 37646650044. Its totient is φ = 37646650042.

The previous prime is 37646650037. The next prime is 37646650081. The reversal of 37646650043 is 34005664673.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 37646650043 - 2¹² = 37646645947 is a prime.

It is a super-2 number, since 2×37646650043² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 37646649976 and 37646650003.

It is not a weakly prime, because it can be changed into another prime (37646650343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18823325021 + 18823325022.

It is an arithmetic number, because the mean of its divisors is an integer number (18823325022).

Almost surely, 2^37646650043 is an apocalyptic number.

37646650043 is a deficient number, since it is larger than the sum of its proper divisors (1).

37646650043 is an equidigital number, since it uses as much as digits as its factorization.

37646650043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1088640, while the sum is 44.

The spelling of 37646650043 in words is "thirty-seven billion, six hundred forty-six million, six hundred fifty thousand, forty-three".