1954717164203 has 2 divisors, whose sum is σ = 1954717164204. Its totient is φ = 1954717164202.

The previous prime is 1954717164167. The next prime is 1954717164209. The reversal of 1954717164203 is 3024617174591.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1954717164203 - 2¹² = 1954717160107 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1954717164209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 977358582101 + 977358582102.

It is an arithmetic number, because the mean of its divisors is an integer number (977358582102).

Almost surely, 2^{1954717164203} is an apocalyptic number.

1954717164203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1954717164203 is an equidigital number, since it uses as much as digits as its factorization.

1954717164203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1270080, while the sum is 50.

The spelling of 1954717164203 in words is "one trillion, nine hundred fifty-four billion, seven hundred seventeen million, one hundred sixty-four thousand, two hundred three".