1864470244009 has 2 divisors, whose sum is σ = 1864470244010. Its totient is φ = 1864470244008.

The previous prime is 1864470243953. The next prime is 1864470244037. The reversal of 1864470244009 is 9004420744681.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1863847491984 + 622752025 = 1365228^2 + 24955^2 .

It is a cyclic number.

It is not a de Polignac number, because 1864470244009 - 2²¹ = 1864468146857 is a prime.

It is a super-3 number, since 3×1864470244009³ (a number of 38 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (1864470244069) 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 as a sum of consecutive naturals, namely, 932235122004 + 932235122005.

It is an arithmetic number, because the mean of its divisors is an integer number (932235122005).

Almost surely, 2^{1864470244009} is an apocalyptic number.

It is an amenable number.

1864470244009 is a deficient number, since it is larger than the sum of its proper divisors (1).

1864470244009 is an equidigital number, since it uses as much as digits as its factorization.

1864470244009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1548288, while the sum is 49.

The spelling of 1864470244009 in words is "one trillion, eight hundred sixty-four billion, four hundred seventy million, two hundred forty-four thousand, nine".