3468816919557 has 24 divisors (see below), whose sum is σ = 5466560692320. Its totient is φ = 2102103226080.

The previous prime is 3468816919493. The next prime is 3468816919559. The reversal of 3468816919557 is 7559196188643.

3468816919557 is a `hidden beast` number, since 3 + 4 + 6 + 8 + 8 + 1 + 69 + 1 + 9 + 557 = 666.

It is not a de Polignac number, because 3468816919557 - 2⁶ = 3468816919493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3468816919559) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 751807 + ... + 2739132.

It is an arithmetic number, because the mean of its divisors is an integer number (227773362180).

Almost surely, 2^{3468816919557} is an apocalyptic number.

It is an amenable number.

3468816919557 is a deficient number, since it is larger than the sum of its proper divisors (1997743772763).

3468816919557 is a wasteful number, since it uses less digits than its factorization.

3468816919557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3500993 (or 3500990 counting only the distinct ones).

The product of its digits is 391910400, while the sum is 72.

The spelling of 3468816919557 in words is "three trillion, four hundred sixty-eight billion, eight hundred sixteen million, nine hundred nineteen thousand, five hundred fifty-seven".