4619869655520 has 768 divisors, whose sum is σ = 17836678379520. Its totient is φ = 981122678784.

The previous prime is 4619869655473. The next prime is 4619869655593. The reversal of 4619869655520 is 255569689164.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1911405352 + ... + 1911407768.

It is an arithmetic number, because the mean of its divisors is an integer number (23224841640).

Almost surely, 2^{4619869655520} is an apocalyptic number.

4619869655520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4619869655520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8918339189760).

4619869655520 is an abundant number, since it is smaller than the sum of its proper divisors (13216808724000).

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

4619869655520 is a wasteful number, since it uses less digits than its factorization.

4619869655520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2875 (or 2867 counting only the distinct ones).

The product of its (nonzero) digits is 139968000, while the sum is 66.

The spelling of 4619869655520 in words is "four trillion, six hundred nineteen billion, eight hundred sixty-nine million, six hundred fifty-five thousand, five hundred twenty".