490115669 has 4 divisors (see below), whose sum is σ = 490241580. Its totient is φ = 489989760.

The previous prime is 490115629. The next prime is 490115693. The reversal of 490115669 is 966511094.

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 15311569 + 474804100 = 3913^2 + 21790^2 .

It is a cyclic number.

It is not a de Polignac number, because 490115669 - 2⁸ = 490115413 is a prime.

It is a super-2 number, since 2×490115669² = 480426737998635122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490115629) 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, 56924 + ... + 64965.

It is an arithmetic number, because the mean of its divisors is an integer number (122560395).

Almost surely, 2^490115669 is an apocalyptic number.

It is an amenable number.

490115669 is a deficient number, since it is larger than the sum of its proper divisors (125911).

490115669 is a wasteful number, since it uses less digits than its factorization.

490115669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125910.

The product of its (nonzero) digits is 58320, while the sum is 41.

The square root of 490115669 is about 22138.5561633996. The cubic root of 490115669 is about 788.4355456995.

The spelling of 490115669 in words is "four hundred ninety million, one hundred fifteen thousand, six hundred sixty-nine".