609768481 has 32 divisors (see below), whose sum is σ = 740597760. Its totient is φ = 491097600.

The previous prime is 609768469. The next prime is 609768487. The reversal of 609768481 is 184867906.

It is not a de Polignac number, because 609768481 - 2⁵ = 609768449 is a prime.

It is a super-2 number, since 2×609768481² = 743635200842094722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (609768487) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1241646 + ... + 1242136.

It is an arithmetic number, because the mean of its divisors is an integer number (23143680).

Almost surely, 2^609768481 is an apocalyptic number.

It is an amenable number.

609768481 is a deficient number, since it is larger than the sum of its proper divisors (130829279).

609768481 is a wasteful number, since it uses less digits than its factorization.

609768481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685.

The product of its (nonzero) digits is 580608, while the sum is 49.

The square root of 609768481 is about 24693.4906604959. The cubic root of 609768481 is about 847.9853004342.

The spelling of 609768481 in words is "six hundred nine million, seven hundred sixty-eight thousand, four hundred eighty-one".