43687056463 has 2 divisors, whose sum is σ = 43687056464. Its totient is φ = 43687056462.

The previous prime is 43687056407. The next prime is 43687056499. The reversal of 43687056463 is 36465078634.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43687056463 - 2¹³ = 43687048271 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 43687056463.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43687056163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21843528231 + 21843528232.

It is an arithmetic number, because the mean of its divisors is an integer number (21843528232).

Almost surely, 2^43687056463 is an apocalyptic number.

43687056463 is a deficient number, since it is larger than the sum of its proper divisors (1).

43687056463 is an equidigital number, since it uses as much as digits as its factorization.

43687056463 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8709120, while the sum is 52.

The spelling of 43687056463 in words is "forty-three billion, six hundred eighty-seven million, fifty-six thousand, four hundred sixty-three".