494361801929 has 4 divisors (see below), whose sum is σ = 494376499476. Its totient is φ = 494347104384.

The previous prime is 494361801893. The next prime is 494361801943. The reversal of 494361801929 is 929108163494.

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 58566420025 + 435795381904 = 242005^2 + 660148^2 .

It is a cyclic number.

It is not a de Polignac number, because 494361801929 - 2⁸ = 494361801673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (494361801959) 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, 7298204 + ... + 7365629.

It is an arithmetic number, because the mean of its divisors is an integer number (123594124869).

Almost surely, 2^494361801929 is an apocalyptic number.

It is an amenable number.

494361801929 is a deficient number, since it is larger than the sum of its proper divisors (14697547).

494361801929 is a wasteful number, since it uses less digits than its factorization.

494361801929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14697546.

The product of its (nonzero) digits is 3359232, while the sum is 56.

The spelling of 494361801929 in words is "four hundred ninety-four billion, three hundred sixty-one million, eight hundred one thousand, nine hundred twenty-nine".