1617423040734 has 8 divisors (see below), whose sum is σ = 3234846081480. Its totient is φ = 539141013576.

The previous prime is 1617423040643. The next prime is 1617423040741. The reversal of 1617423040734 is 4370403247161.

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

1617423040734 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134785253389 + ... + 134785253400.

It is an arithmetic number, because the mean of its divisors is an integer number (404355760185).

Almost surely, 2^{1617423040734} is an apocalyptic number.

1617423040734 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1617423040734 is a wasteful number, since it uses less digits than its factorization.

1617423040734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269570506794.

The product of its (nonzero) digits is 338688, while the sum is 42.

Adding to 1617423040734 its reverse (4370403247161), we get a palindrome (5987826287895).

The spelling of 1617423040734 in words is "one trillion, six hundred seventeen billion, four hundred twenty-three million, forty thousand, seven hundred thirty-four".