1863734146447 has 8 divisors (see below), whose sum is σ = 1923902659712. Its totient is φ = 1803568636800.

The previous prime is 1863734146433. The next prime is 1863734146457. The reversal of 1863734146447 is 7446414373681.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1863734146447 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1863734146391 and 1863734146400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1863734146457) 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, 545683 + ... + 2006299.

It is an arithmetic number, because the mean of its divisors is an integer number (240487832464).

Almost surely, 2^{1863734146447} is an apocalyptic number.

1863734146447 is a deficient number, since it is larger than the sum of its proper divisors (60168513265).

1863734146447 is a wasteful number, since it uses less digits than its factorization.

1863734146447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1501809.

The product of its digits is 32514048, while the sum is 58.

The spelling of 1863734146447 in words is "one trillion, eight hundred sixty-three billion, seven hundred thirty-four million, one hundred forty-six thousand, four hundred forty-seven".