64983898491170 has 64 divisors (see below), whose sum is σ = 121135222241280. Its totient is φ = 25083918678528.

The previous prime is 64983898491167. The next prime is 64983898491173. The reversal of 64983898491170 is 7119489838946.

It is a happy number.

64983898491170 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (64983898491167) and next prime (64983898491173).

It is a super-2 number, since 2×64983898491170² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 64983898491091 and 64983898491100.

It is not an unprimeable number, because it can be changed into a prime (64983898491173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 106709264 + ... + 107316516.

It is an arithmetic number, because the mean of its divisors is an integer number (1892737847520).

Almost surely, 2^{64983898491170} is an apocalyptic number.

64983898491170 is a deficient number, since it is larger than the sum of its proper divisors (56151323750110).

64983898491170 is a wasteful number, since it uses less digits than its factorization.

64983898491170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610499.

The product of its (nonzero) digits is 752467968, while the sum is 77.

The spelling of 64983898491170 in words is "sixty-four trillion, nine hundred eighty-three billion, eight hundred ninety-eight million, four hundred ninety-one thousand, one hundred seventy".