1220463568859 has 8 divisors (see below), whose sum is σ = 1243697982720. Its totient is φ = 1197314108136.

The previous prime is 1220463568837. The next prime is 1220463568873. The reversal of 1220463568859 is 9588653640221.

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 1220463568859 - 2¹⁶ = 1220463503323 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (59).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1220463568798 and 1220463568807.

It is not an unprimeable number, because it can be changed into a prime (1220463565859) 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, 21209279 + ... + 21266744.

It is an arithmetic number, because the mean of its divisors is an integer number (155462247840).

Almost surely, 2^{1220463568859} is an apocalyptic number.

1220463568859 is a deficient number, since it is larger than the sum of its proper divisors (23234413861).

1220463568859 is an equidigital number, since it uses as much as digits as its factorization.

1220463568859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42476569.

The product of its (nonzero) digits is 24883200, while the sum is 59.

The spelling of 1220463568859 in words is "one trillion, two hundred twenty billion, four hundred sixty-three million, five hundred sixty-eight thousand, eight hundred fifty-nine".