1954717164403 has 2 divisors, whose sum is σ = 1954717164404. Its totient is φ = 1954717164402.

The previous prime is 1954717164317. The next prime is 1954717164509. The reversal of 1954717164403 is 3044617174591.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1954717164403 is a prime.

It is not a weakly prime, because it can be changed into another prime (1954717164203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 977358582201 + 977358582202.

It is an arithmetic number, because the mean of its divisors is an integer number (977358582202).

Almost surely, 2^{1954717164403} is an apocalyptic number.

1954717164403 is a deficient number, since it is larger than the sum of its proper divisors (1).

1954717164403 is an equidigital number, since it uses as much as digits as its factorization.

1954717164403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2540160, while the sum is 52.

The spelling of 1954717164403 in words is "one trillion, nine hundred fifty-four billion, seven hundred seventeen million, one hundred sixty-four thousand, four hundred three".