4646941778 has 8 divisors (see below), whose sum is σ = 7023622320. Its totient is φ = 2305734340.

The previous prime is 4646941729. The next prime is 4646941813. The reversal of 4646941778 is 8771496464.

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

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, 8867948 + ... + 8868471.

It is an arithmetic number, because the mean of its divisors is an integer number (877952790).

Almost surely, 2^4646941778 is an apocalyptic number.

4646941778 is a deficient number, since it is larger than the sum of its proper divisors (2376680542).

4646941778 is a wasteful number, since it uses less digits than its factorization.

4646941778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17736552.

The product of its digits is 8128512, while the sum is 56.

The square root of 4646941778 is about 68168.4808250851. The cubic root of 4646941778 is about 1668.7415403388.

The spelling of 4646941778 in words is "four billion, six hundred forty-six million, nine hundred forty-one thousand, seven hundred seventy-eight".