1622623283491 has 16 divisors (see below), whose sum is σ = 1863319071744. Its totient is φ = 1384156597824.

The previous prime is 1622623283447. The next prime is 1622623283513. The reversal of 1622623283491 is 1943823262261.

It is a de Polignac number, because none of the positive numbers 2^k-1622623283491 is a prime.

It is a super-2 number, since 2×1622623283491² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1622623283431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3018550 + ... + 3515236.

It is an arithmetic number, because the mean of its divisors is an integer number (116457441984).

Almost surely, 2^{1622623283491} is an apocalyptic number.

1622623283491 is a deficient number, since it is larger than the sum of its proper divisors (240695788253).

1622623283491 is a wasteful number, since it uses less digits than its factorization.

1622623283491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498930.

The product of its digits is 1492992, while the sum is 49.

The spelling of 1622623283491 in words is "one trillion, six hundred twenty-two billion, six hundred twenty-three million, two hundred eighty-three thousand, four hundred ninety-one".