4891969970 has 16 divisors (see below), whose sum is σ = 8869822488. Its totient is φ = 1942504320.

The previous prime is 4891969967. The next prime is 4891969991. The reversal of 4891969970 is 799691984.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3080361001 + 1811608969 = 55501^2 + 42563^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1784021 + ... + 1786760.

Almost surely, 2^4891969970 is an apocalyptic number.

4891969970 is a deficient number, since it is larger than the sum of its proper divisors (3977852518).

4891969970 is a wasteful number, since it uses less digits than its factorization.

4891969970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3570925.

The product of its (nonzero) digits is 8817984, while the sum is 62.

The square root of 4891969970 is about 69942.6191245367. The cubic root of 4891969970 is about 1697.5709218208.

The spelling of 4891969970 in words is "four billion, eight hundred ninety-one million, nine hundred sixty-nine thousand, nine hundred seventy".