4642661970 has 48 divisors (see below), whose sum is σ = 12706237440. Its totient is φ = 1172882592.

The previous prime is 4642661929. The next prime is 4642661977. The reversal of 4642661970 is 791662464.

4642661970 is a `hidden beast` number, since 4 + 6 + 4 + 26 + 619 + 7 + 0 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (4642661977) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1355794 + ... + 1359213.

It is an arithmetic number, because the mean of its divisors is an integer number (264713280).

Almost surely, 2^4642661970 is an apocalyptic number.

4642661970 is an abundant number, since it is smaller than the sum of its proper divisors (8063575470).

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

4642661970 is a wasteful number, since it uses less digits than its factorization.

4642661970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2715039 (or 2715036 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The square root of 4642661970 is about 68137.0821946464. The cubic root of 4642661970 is about 1668.2290823677.

The spelling of 4642661970 in words is "four billion, six hundred forty-two million, six hundred sixty-one thousand, nine hundred seventy".