1322639956967 has 16 divisors (see below), whose sum is σ = 1550266977600. Its totient is φ = 1127936555424.

The previous prime is 1322639956961. The next prime is 1322639956969. The reversal of 1322639956967 is 7696599362231.

It is a de Polignac number, because none of the positive numbers 2^k-1322639956967 is a prime.

It is a super-2 number, since 2×1322639956967² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1322639956897 and 1322639956906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322639956961) 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, 9719468 + ... + 9854609.

It is an arithmetic number, because the mean of its divisors is an integer number (96891686100).

Almost surely, 2^{1322639956967} is an apocalyptic number.

1322639956967 is a deficient number, since it is larger than the sum of its proper divisors (227627020633).

1322639956967 is an equidigital number, since it uses as much as digits as its factorization.

1322639956967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19574295 (or 19574281 counting only the distinct ones).

The product of its digits is 198404640, while the sum is 68.

The spelling of 1322639956967 in words is "one trillion, three hundred twenty-two billion, six hundred thirty-nine million, nine hundred fifty-six thousand, nine hundred sixty-seven".