1043383655803 has 2 divisors, whose sum is σ = 1043383655804. Its totient is φ = 1043383655802.

The previous prime is 1043383655801. The next prime is 1043383655833. The reversal of 1043383655803 is 3085563833401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1043383655803 - 2¹ = 1043383655801 is a prime.

Together with 1043383655801, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1043383655801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521691827901 + 521691827902.

It is an arithmetic number, because the mean of its divisors is an integer number (521691827902).

Almost surely, 2^{1043383655803} is an apocalyptic number.

1043383655803 is a deficient number, since it is larger than the sum of its proper divisors (1).

1043383655803 is an equidigital number, since it uses as much as digits as its factorization.

1043383655803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3110400, while the sum is 49.

The spelling of 1043383655803 in words is "one trillion, forty-three billion, three hundred eighty-three million, six hundred fifty-five thousand, eight hundred three".