1620272289083 has 4 divisors (see below), whose sum is σ = 1851739758960. Its totient is φ = 1388804819208.

The previous prime is 1620272289059. The next prime is 1620272289127. The reversal of 1620272289083 is 3809822720261.

It is a happy number.

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 1620272289083 - 2¹⁸ = 1620272026939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1620272289283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115733734928 + ... + 115733734941.

It is an arithmetic number, because the mean of its divisors is an integer number (462934939740).

Almost surely, 2^{1620272289083} is an apocalyptic number.

1620272289083 is a deficient number, since it is larger than the sum of its proper divisors (231467469877).

1620272289083 is an equidigital number, since it uses as much as digits as its factorization.

1620272289083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231467469876.

The product of its (nonzero) digits is 1161216, while the sum is 50.

The spelling of 1620272289083 in words is "one trillion, six hundred twenty billion, two hundred seventy-two million, two hundred eighty-nine thousand, eighty-three".