2091313454226 has 16 divisors (see below), whose sum is σ = 4212717751200. Its totient is φ = 692089344288.

The previous prime is 2091313454221. The next prime is 2091313454231. The reversal of 2091313454226 is 6224543131902.

It is an interprime number because it is at equal distance from previous prime (2091313454221) and next prime (2091313454231).

It is not an unprimeable number, because it can be changed into a prime (2091313454221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1253784211 + ... + 1253785878.

It is an arithmetic number, because the mean of its divisors is an integer number (263294859450).

Almost surely, 2^{2091313454226} is an apocalyptic number.

2091313454226 is an abundant number, since it is smaller than the sum of its proper divisors (2121404296974).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2091313454226 is a wasteful number, since it uses less digits than its factorization.

2091313454226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2507570233.

The product of its (nonzero) digits is 311040, while the sum is 42.

The spelling of 2091313454226 in words is "two trillion, ninety-one billion, three hundred thirteen million, four hundred fifty-four thousand, two hundred twenty-six".