1009437878803 has 2 divisors, whose sum is σ = 1009437878804. Its totient is φ = 1009437878802.

The previous prime is 1009437878791. The next prime is 1009437878833. The reversal of 1009437878803 is 3088787349001.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1009437878803 is a prime.

It is not a weakly prime, because it can be changed into another prime (1009437878833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 504718939401 + 504718939402.

It is an arithmetic number, because the mean of its divisors is an integer number (504718939402).

Almost surely, 2^{1009437878803} is an apocalyptic number.

1009437878803 is a deficient number, since it is larger than the sum of its proper divisors (1).

1009437878803 is an equidigital number, since it uses as much as digits as its factorization.

1009437878803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8128512, while the sum is 58.

The spelling of 1009437878803 in words is "one trillion, nine billion, four hundred thirty-seven million, eight hundred seventy-eight thousand, eight hundred three".