494186778086411 has 2 divisors, whose sum is σ = 494186778086412. Its totient is φ = 494186778086410.

The previous prime is 494186778086377. The next prime is 494186778086429. The reversal of 494186778086411 is 114680877681494.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 494186778086411 - 2⁴⁶ = 423818033908747 is a prime.

It is not a weakly prime, because it can be changed into another prime (494186778016411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247093389043205 + 247093389043206.

It is an arithmetic number, because the mean of its divisors is an integer number (247093389043206).

Almost surely, 2^{494186778086411} is an apocalyptic number.

494186778086411 is a deficient number, since it is larger than the sum of its proper divisors (1).

494186778086411 is an equidigital number, since it uses as much as digits as its factorization.

494186778086411 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 520224768, while the sum is 74.

The spelling of 494186778086411 in words is "four hundred ninety-four trillion, one hundred eighty-six billion, seven hundred seventy-eight million, eighty-six thousand, four hundred eleven".