1861428714473 has 8 divisors (see below), whose sum is σ = 1908793234656. Its totient is φ = 1814157709600.

The previous prime is 1861428714463. The next prime is 1861428714491. The reversal of 1861428714473 is 3744178241681.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1861428714473 - 2¹² = 1861428710377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1861428714443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23338511 + ... + 23418132.

It is an arithmetic number, because the mean of its divisors is an integer number (238599154332).

Almost surely, 2^{1861428714473} is an apocalyptic number.

It is an amenable number.

1861428714473 is a deficient number, since it is larger than the sum of its proper divisors (47364520183).

1861428714473 is an equidigital number, since it uses as much as digits as its factorization.

1861428714473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46757655.

The product of its digits is 7225344, while the sum is 56.

The spelling of 1861428714473 in words is "one trillion, eight hundred sixty-one billion, four hundred twenty-eight million, seven hundred fourteen thousand, four hundred seventy-three".