1864287420071 has 16 divisors (see below), whose sum is σ = 1912187692800. Its totient is φ = 1816597456128.

The previous prime is 1864287420067. The next prime is 1864287420091. The reversal of 1864287420071 is 1700247824681.

It is a cyclic number.

It is not a de Polignac number, because 1864287420071 - 2² = 1864287420067 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1864287420031) 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 15 ways as a sum of consecutive naturals, for example, 44410190 + ... + 44452148.

It is an arithmetic number, because the mean of its divisors is an integer number (119511730800).

Almost surely, 2^{1864287420071} is an apocalyptic number.

1864287420071 is a deficient number, since it is larger than the sum of its proper divisors (47900272729).

1864287420071 is a wasteful number, since it uses less digits than its factorization.

1864287420071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44438.

The product of its (nonzero) digits is 1204224, while the sum is 50.

The spelling of 1864287420071 in words is "one trillion, eight hundred sixty-four billion, two hundred eighty-seven million, four hundred twenty thousand, seventy-one".