1861486362063 has 6 divisors (see below), whose sum is σ = 2688813634104. Its totient is φ = 1240990908036.

The previous prime is 1861486361993. The next prime is 1861486362083. The reversal of 1861486362063 is 3602636841681.

1861486362063 is a `hidden beast` number, since 1 + 8 + 6 + 1 + 4 + 8 + 6 + 3 + 620 + 6 + 3 = 666.

It is not a de Polignac number, because 1861486362063 - 2¹⁴ = 1861486345679 is a prime.

It is a super-2 number, since 2×1861486362063² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1861486362083) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 103415908995 + ... + 103415909012.

It is an arithmetic number, because the mean of its divisors is an integer number (448135605684).

Almost surely, 2^{1861486362063} is an apocalyptic number.

1861486362063 is a deficient number, since it is larger than the sum of its proper divisors (827327272041).

1861486362063 is a wasteful number, since it uses less digits than its factorization.

1861486362063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206831818013 (or 206831818010 counting only the distinct ones).

The product of its (nonzero) digits is 5971968, while the sum is 54.

The spelling of 1861486362063 in words is "one trillion, eight hundred sixty-one billion, four hundred eighty-six million, three hundred sixty-two thousand, sixty-three".