494105774253 has 16 divisors (see below), whose sum is σ = 810840245376. Its totient is φ = 260627221440.

The previous prime is 494105774251. The next prime is 494105774291. The reversal of 494105774253 is 352477501494.

It is a happy number.

It is not a de Polignac number, because 494105774253 - 2¹ = 494105774251 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 494105774196 and 494105774205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494105774251) 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 in 15 ways as a sum of consecutive naturals, for example, 904955358 + ... + 904955903.

It is an arithmetic number, because the mean of its divisors is an integer number (50677515336).

Almost surely, 2^494105774253 is an apocalyptic number.

It is an amenable number.

494105774253 is a deficient number, since it is larger than the sum of its proper divisors (316734471123).

494105774253 is a wasteful number, since it uses less digits than its factorization.

494105774253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1809911284.

The product of its (nonzero) digits is 4233600, while the sum is 51.

The spelling of 494105774253 in words is "four hundred ninety-four billion, one hundred five million, seven hundred seventy-four thousand, two hundred fifty-three".