10647981970 has 16 divisors (see below), whose sum is σ = 19363960728. Its totient is φ = 4215283200.

The previous prime is 10647981947. The next prime is 10647981979. The reversal of 10647981970 is 7918974601.

It can be written as a sum of positive squares in 4 ways, for example, as 5798670201 + 4849311769 = 76149^2 + 69637^2 .

It is a super-2 number, since 2×10647981970² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10647981979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5487681 + ... + 5489620.

Almost surely, 2^10647981970 is an apocalyptic number.

10647981970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10647981970 is a deficient number, since it is larger than the sum of its proper divisors (8715978758).

10647981970 is a wasteful number, since it uses less digits than its factorization.

10647981970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10977405.

The product of its (nonzero) digits is 762048, while the sum is 52.

The spelling of 10647981970 in words is "ten billion, six hundred forty-seven million, nine hundred eighty-one thousand, nine hundred seventy".