1622799359999 has 4 divisors (see below), whose sum is σ = 1693355853936. Its totient is φ = 1552242866064.

The previous prime is 1622799359983. The next prime is 1622799360037. The reversal of 1622799359999 is 9999539972261.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1622799359999 - 2⁴ = 1622799359983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1622799359969) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35278246934 + ... + 35278246979.

It is an arithmetic number, because the mean of its divisors is an integer number (423338963484).

Almost surely, 2^{1622799359999} is an apocalyptic number.

1622799359999 is a deficient number, since it is larger than the sum of its proper divisors (70556493937).

1622799359999 is an equidigital number, since it uses as much as digits as its factorization.

1622799359999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70556493936.

The product of its digits is 1339231320, while the sum is 80.

The spelling of 1622799359999 in words is "one trillion, six hundred twenty-two billion, seven hundred ninety-nine million, three hundred fifty-nine thousand, nine hundred ninety-nine".