1622856879433 has 2 divisors, whose sum is σ = 1622856879434. Its totient is φ = 1622856879432.

The previous prime is 1622856879349. The next prime is 1622856879439. The reversal of 1622856879433 is 3349786582261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1425234844224 + 197622035209 = 1193832^2 + 444547^2 .

It is a cyclic number.

It is not a de Polignac number, because 1622856879433 - 2¹⁷ = 1622856748361 is a prime.

It is a super-2 number, since 2×1622856879433² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1622856879439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 811428439716 + 811428439717.

It is an arithmetic number, because the mean of its divisors is an integer number (811428439717).

Almost surely, 2^{1622856879433} is an apocalyptic number.

It is an amenable number.

1622856879433 is a deficient number, since it is larger than the sum of its proper divisors (1).

1622856879433 is an equidigital number, since it uses as much as digits as its factorization.

1622856879433 is an evil number, because the sum of its binary digits is even.

The product of its digits is 104509440, while the sum is 64.

The spelling of 1622856879433 in words is "one trillion, six hundred twenty-two billion, eight hundred fifty-six million, eight hundred seventy-nine thousand, four hundred thirty-three".