609706455 has 8 divisors (see below), whose sum is σ = 975530352. Its totient is φ = 325176768.

The previous prime is 609706429. The next prime is 609706457. The reversal of 609706455 is 554607906.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 609706455 - 2⁸ = 609706199 is a prime.

It is a super-2 number, since 2×609706455² = 743483922537334050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (609706457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20323534 + ... + 20323563.

It is an arithmetic number, because the mean of its divisors is an integer number (121941294).

Almost surely, 2^609706455 is an apocalyptic number.

609706455 is a deficient number, since it is larger than the sum of its proper divisors (365823897).

609706455 is a wasteful number, since it uses less digits than its factorization.

609706455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40647105.

The product of its (nonzero) digits is 226800, while the sum is 42.

The square root of 609706455 is about 24692.2347105320. The cubic root of 609706455 is about 847.9565469420.

The spelling of 609706455 in words is "six hundred nine million, seven hundred six thousand, four hundred fifty-five".