609706465 has 16 divisors (see below), whose sum is σ = 743976576. Its totient is φ = 479584000.

The previous prime is 609706457. The next prime is 609706477. The reversal of 609706465 is 564607906.

It is not a de Polignac number, because 609706465 - 2³ = 609706457 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140214 + ... + 144496.

It is an arithmetic number, because the mean of its divisors is an integer number (46498536).

Almost surely, 2^609706465 is an apocalyptic number.

It is an amenable number.

609706465 is a deficient number, since it is larger than the sum of its proper divisors (134270111).

609706465 is a wasteful number, since it uses less digits than its factorization.

609706465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4760.

The product of its (nonzero) digits is 272160, while the sum is 43.

The square root of 609706465 is about 24692.2349130248. The cubic root of 609706465 is about 847.9565515779.

The spelling of 609706465 in words is "six hundred nine million, seven hundred six thousand, four hundred sixty-five".