43667620963 has 2 divisors, whose sum is σ = 43667620964. Its totient is φ = 43667620962.

The previous prime is 43667620943. The next prime is 43667621009. The reversal of 43667620963 is 36902676634.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43667620963 is a prime.

It is a super-2 number, since 2×43667620963² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 43667620963.

It is not a weakly prime, because it can be changed into another prime (43667620933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21833810481 + 21833810482.

It is an arithmetic number, because the mean of its divisors is an integer number (21833810482).

Almost surely, 2^43667620963 is an apocalyptic number.

43667620963 is a deficient number, since it is larger than the sum of its proper divisors (1).

43667620963 is an equidigital number, since it uses as much as digits as its factorization.

43667620963 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5878656, while the sum is 52.

The spelling of 43667620963 in words is "forty-three billion, six hundred sixty-seven million, six hundred twenty thousand, nine hundred sixty-three".