10043309977 has 2 divisors, whose sum is σ = 10043309978. Its totient is φ = 10043309976.

The previous prime is 10043309923. The next prime is 10043309981. The reversal of 10043309977 is 77990334001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7589197456 + 2454112521 = 87116^2 + 49539^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10043309977 is a prime.

It is not a weakly prime, because it can be changed into another prime (10043309077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5021654988 + 5021654989.

It is an arithmetic number, because the mean of its divisors is an integer number (5021654989).

Almost surely, 2^10043309977 is an apocalyptic number.

It is an amenable number.

10043309977 is a deficient number, since it is larger than the sum of its proper divisors (1).

10043309977 is an equidigital number, since it uses as much as digits as its factorization.

10043309977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 142884, while the sum is 43.

The spelling of 10043309977 in words is "ten billion, forty-three million, three hundred nine thousand, nine hundred seventy-seven".