37434414643 has 2 divisors, whose sum is σ = 37434414644. Its totient is φ = 37434414642.

The previous prime is 37434414637. The next prime is 37434414709. The reversal of 37434414643 is 34641443473.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-37434414643 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 37434414643.

It is not a weakly prime, because it can be changed into another prime (37434714643) 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, 18717207321 + 18717207322.

It is an arithmetic number, because the mean of its divisors is an integer number (18717207322).

Almost surely, 2^37434414643 is an apocalyptic number.

37434414643 is a deficient number, since it is larger than the sum of its proper divisors (1).

37434414643 is an equidigital number, since it uses as much as digits as its factorization.

37434414643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1161216, while the sum is 43.

The spelling of 37434414643 in words is "thirty-seven billion, four hundred thirty-four million, four hundred fourteen thousand, six hundred forty-three".