43464642364387 has 2 divisors, whose sum is σ = 43464642364388. Its totient is φ = 43464642364386.

The previous prime is 43464642364373. The next prime is 43464642364427. The reversal of 43464642364387 is 78346324646434.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43464642364387 - 2¹⁹ = 43464641840099 is a prime.

It is not a weakly prime, because it can be changed into another prime (43464642364327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21732321182193 + 21732321182194.

It is an arithmetic number, because the mean of its divisors is an integer number (21732321182194).

Almost surely, 2^{43464642364387} is an apocalyptic number.

43464642364387 is a deficient number, since it is larger than the sum of its proper divisors (1).

43464642364387 is an equidigital number, since it uses as much as digits as its factorization.

43464642364387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 668860416, while the sum is 64.

The spelling of 43464642364387 in words is "forty-three trillion, four hundred sixty-four billion, six hundred forty-two million, three hundred sixty-four thousand, three hundred eighty-seven".