481400069 has 4 divisors (see below), whose sum is σ = 481518444. Its totient is φ = 481281696.

The previous prime is 481400063. The next prime is 481400071. The reversal of 481400069 is 960004184.

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 433264225 + 48135844 = 20815^2 + 6938^2 .

It is a cyclic number.

It is not a de Polignac number, because 481400069 - 2⁸ = 481399813 is a prime.

It is a super-2 number, since 2×481400069² = 463492052866409522, 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 (481400063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52862 + ... + 61295.

It is an arithmetic number, because the mean of its divisors is an integer number (120379611).

Almost surely, 2^481400069 is an apocalyptic number.

It is an amenable number.

481400069 is a deficient number, since it is larger than the sum of its proper divisors (118375).

481400069 is a wasteful number, since it uses less digits than its factorization.

481400069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118374.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 481400069 is about 21940.8310918251. The cubic root of 481400069 is about 783.7340510598.

The spelling of 481400069 in words is "four hundred eighty-one million, four hundred thousand, sixty-nine".