609564139594 has 16 divisors (see below), whose sum is σ = 958378885632. Its totient is φ = 290223358128.

The previous prime is 609564139579. The next prime is 609564139609. The reversal of 609564139594 is 495931465906.

It is an interprime number because it is at equal distance from previous prime (609564139579) and next prime (609564139609).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29701389 + ... + 29721904.

It is an arithmetic number, because the mean of its divisors is an integer number (59898680352).

Almost surely, 2^609564139594 is an apocalyptic number.

609564139594 is a deficient number, since it is larger than the sum of its proper divisors (348814746038).

609564139594 is a wasteful number, since it uses less digits than its factorization.

609564139594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59423541.

The product of its (nonzero) digits is 31492800, while the sum is 61.

The spelling of 609564139594 in words is "six hundred nine billion, five hundred sixty-four million, one hundred thirty-nine thousand, five hundred ninety-four".