43320031249679 has 2 divisors, whose sum is σ = 43320031249680. Its totient is φ = 43320031249678.

The previous prime is 43320031249639. The next prime is 43320031249741. The reversal of 43320031249679 is 97694213002334.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43320031249679 - 2¹² = 43320031245583 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 43320031249679.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43320031249619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21660015624839 + 21660015624840.

It is an arithmetic number, because the mean of its divisors is an integer number (21660015624840).

Almost surely, 2^{43320031249679} is an apocalyptic number.

43320031249679 is a deficient number, since it is larger than the sum of its proper divisors (1).

43320031249679 is an equidigital number, since it uses as much as digits as its factorization.

43320031249679 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5878656, while the sum is 53.

The spelling of 43320031249679 in words is "forty-three trillion, three hundred twenty billion, thirty-one million, two hundred forty-nine thousand, six hundred seventy-nine".