481632709 has 4 divisors (see below), whose sum is σ = 497169280. Its totient is φ = 466096140.

The previous prime is 481632707. The next prime is 481632713. The reversal of 481632709 is 907236184.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 481632709 - 2¹ = 481632707 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 (481632703) 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, 7768239 + ... + 7768300.

It is an arithmetic number, because the mean of its divisors is an integer number (124292320).

Almost surely, 2^481632709 is an apocalyptic number.

It is an amenable number.

481632709 is a deficient number, since it is larger than the sum of its proper divisors (15536571).

481632709 is a wasteful number, since it uses less digits than its factorization.

481632709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15536570.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 481632709 is about 21946.1319826524. The cubic root of 481632709 is about 783.8602790760.

The spelling of 481632709 in words is "four hundred eighty-one million, six hundred thirty-two thousand, seven hundred nine".