609312655502 has 4 divisors (see below), whose sum is σ = 913968983256. Its totient is φ = 304656327750.

The previous prime is 609312655433. The next prime is 609312655507. The reversal of 609312655502 is 205556213906.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (609312655507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152328163874 + ... + 152328163877.

It is an arithmetic number, because the mean of its divisors is an integer number (228492245814).

Almost surely, 2^609312655502 is an apocalyptic number.

609312655502 is a deficient number, since it is larger than the sum of its proper divisors (304656327754).

609312655502 is a wasteful number, since it uses less digits than its factorization.

609312655502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304656327753.

The product of its (nonzero) digits is 486000, while the sum is 44.

The spelling of 609312655502 in words is "six hundred nine billion, three hundred twelve million, six hundred fifty-five thousand, five hundred two".