4468913557778 has 4 divisors (see below), whose sum is σ = 6703370336670. Its totient is φ = 2234456778888.

The previous prime is 4468913557733. The next prime is 4468913557807. The reversal of 4468913557778 is 8777553198644.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2256355481689 + 2212558076089 = 1502117^2 + 1487467^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1117228389443 + ... + 1117228389446.

Almost surely, 2^{4468913557778} is an apocalyptic number.

4468913557778 is a deficient number, since it is larger than the sum of its proper divisors (2234456778892).

4468913557778 is a wasteful number, since it uses less digits than its factorization.

4468913557778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2234456778891.

The product of its digits is 1422489600, while the sum is 74.

The spelling of 4468913557778 in words is "four trillion, four hundred sixty-eight billion, nine hundred thirteen million, five hundred fifty-seven thousand, seven hundred seventy-eight".