4681901919123 has 96 divisors (see below), whose sum is σ = 7961610488832. Its totient is φ = 2613791980800.

The previous prime is 4681901919113. The next prime is 4681901919209. The reversal of 4681901919123 is 3219191091864.

It is a happy number.

4681901919123 is a `hidden beast` number, since 468 + 1 + 9 + 0 + 1 + 91 + 91 + 2 + 3 = 666.

It is not a de Polignac number, because 4681901919123 - 2¹² = 4681901915027 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4681901919123.

It is not an unprimeable number, because it can be changed into a prime (4681901919113) by changing a digit.

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 95 ways as a sum of consecutive naturals, for example, 1999956933 + ... + 1999959273.

It is an arithmetic number, because the mean of its divisors is an integer number (82933442592).

Almost surely, 2^{4681901919123} is an apocalyptic number.

4681901919123 is a deficient number, since it is larger than the sum of its proper divisors (3279708569709).

4681901919123 is a wasteful number, since it uses less digits than its factorization.

4681901919123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4945 (or 4942 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 54.

The spelling of 4681901919123 in words is "four trillion, six hundred eighty-one billion, nine hundred one million, nine hundred nineteen thousand, one hundred twenty-three".