609618278149634 has 8 divisors (see below), whose sum is σ = 984767987780220. Its totient is φ = 281362282222896.

The previous prime is 609618278149631. The next prime is 609618278149637. The reversal of 609618278149634 is 436941872816906.

It is an interprime number because it is at equal distance from previous prime (609618278149631) and next prime (609618278149637).

It can be written as a sum of positive squares in 2 ways, for example, as 573079311855625 + 36538966294009 = 23939075^2 + 6044747^2 .

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

It is not an unprimeable number, because it can be changed into a prime (609618278149631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11723428425929 + ... + 11723428425980.

Almost surely, 2^{609618278149634} is an apocalyptic number.

609618278149634 is a deficient number, since it is larger than the sum of its proper divisors (375149709630586).

609618278149634 is a wasteful number, since it uses less digits than its factorization.

609618278149634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23446856851924.

The product of its (nonzero) digits is 752467968, while the sum is 74.

The spelling of 609618278149634 in words is "six hundred nine trillion, six hundred eighteen billion, two hundred seventy-eight million, one hundred forty-nine thousand, six hundred thirty-four".