4646983778970 has 64 divisors (see below), whose sum is σ = 12642806090880. Its totient is φ = 1083669090048.

The previous prime is 4646983778947. The next prime is 4646983778971. The reversal of 4646983778970 is 798773896464.

It is a Harshad number since it is a multiple of its sum of digits (78).

It is not an unprimeable number, because it can be changed into a prime (4646983778971) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 313554249 + ... + 313569068.

It is an arithmetic number, because the mean of its divisors is an integer number (197543845170).

Almost surely, 2^{4646983778970} is an apocalyptic number.

4646983778970 is an abundant number, since it is smaller than the sum of its proper divisors (7995822311910).

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

4646983778970 is a wasteful number, since it uses less digits than its factorization.

4646983778970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627123359.

The product of its (nonzero) digits is 3072577536, while the sum is 78.

The spelling of 4646983778970 in words is "four trillion, six hundred forty-six billion, nine hundred eighty-three million, seven hundred seventy-eight thousand, nine hundred seventy".