492801869 has 12 divisors (see below), whose sum is σ = 575504604. Its totient is φ = 420747264.

The previous prime is 492801863. The next prime is 492801877. The reversal of 492801869 is 968108294.

It can be written as a sum of positive squares in 2 ways, for example, as 481275844 + 11526025 = 21938^2 + 3395^2 .

It is not a de Polignac number, because 492801869 - 2¹⁶ = 492736333 is a prime.

It is a super-2 number, since 2×492801869² = 485707364179786322, which contains 22 as substring.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (492801863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6974 + ... + 32159.

It is an arithmetic number, because the mean of its divisors is an integer number (47958717).

Almost surely, 2^492801869 is an apocalyptic number.

492801869 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

492801869 is a deficient number, since it is larger than the sum of its proper divisors (82702735).

492801869 is a wasteful number, since it uses less digits than its factorization.

492801869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39404 (or 39397 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 47.

The square root of 492801869 is about 22199.1411770816. The cubic root of 492801869 is about 789.8733274439.

The spelling of 492801869 in words is "four hundred ninety-two million, eight hundred one thousand, eight hundred sixty-nine".