494111642413 has 4 divisors (see below), whose sum is σ = 511149974940. Its totient is φ = 477073309888.

The previous prime is 494111642389. The next prime is 494111642449. The reversal of 494111642413 is 314246111494.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 424078371369 + 70033271044 = 651213^2 + 264638^2 .

It is a cyclic number.

It is not a de Polignac number, because 494111642413 - 2¹³ = 494111634221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494111642513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8519166220 + ... + 8519166277.

It is an arithmetic number, because the mean of its divisors is an integer number (127787493735).

Almost surely, 2^494111642413 is an apocalyptic number.

It is an amenable number.

494111642413 is a deficient number, since it is larger than the sum of its proper divisors (17038332527).

494111642413 is a wasteful number, since it uses less digits than its factorization.

494111642413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17038332526.

The product of its digits is 82944, while the sum is 40.

The spelling of 494111642413 in words is "four hundred ninety-four billion, one hundred eleven million, six hundred forty-two thousand, four hundred thirteen".