1861486452322 has 32 divisors (see below), whose sum is σ = 3209899852800. Its totient is φ = 793091716560.

The previous prime is 1861486452277. The next prime is 1861486452341. The reversal of 1861486452322 is 2232546841681.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1861486452322.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2977113 + ... + 3547699.

It is an arithmetic number, because the mean of its divisors is an integer number (100309370400).

Almost surely, 2^{1861486452322} is an apocalyptic number.

1861486452322 is a deficient number, since it is larger than the sum of its proper divisors (1348413400478).

1861486452322 is a wasteful number, since it uses less digits than its factorization.

1861486452322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571966.

The product of its digits is 4423680, while the sum is 52.

The spelling of 1861486452322 in words is "one trillion, eight hundred sixty-one billion, four hundred eighty-six million, four hundred fifty-two thousand, three hundred twenty-two".