43948928963 has 2 divisors, whose sum is σ = 43948928964. Its totient is φ = 43948928962.

The previous prime is 43948928927. The next prime is 43948929053. The reversal of 43948928963 is 36982984934.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43948928963 - 2⁸ = 43948928707 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 43948928963.

It is not a weakly prime, because it can be changed into another prime (43948928263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21974464481 + 21974464482.

It is an arithmetic number, because the mean of its divisors is an integer number (21974464482).

Almost surely, 2^43948928963 is an apocalyptic number.

43948928963 is a deficient number, since it is larger than the sum of its proper divisors (1).

43948928963 is an equidigital number, since it uses as much as digits as its factorization.

43948928963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 80621568, while the sum is 65.

The spelling of 43948928963 in words is "forty-three billion, nine hundred forty-eight million, nine hundred twenty-eight thousand, nine hundred sixty-three".