2169934200726 has 16 divisors (see below), whose sum is σ = 4595154778224. Its totient is φ = 680763670784.

The previous prime is 2169934200719. The next prime is 2169934200799. The reversal of 2169934200726 is 6270024399612.

It is a super-2 number, since 2×2169934200726² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 10636932255 + ... + 10636932458.

It is an arithmetic number, because the mean of its divisors is an integer number (287197173639).

Almost surely, 2^{2169934200726} is an apocalyptic number.

2169934200726 is an abundant number, since it is smaller than the sum of its proper divisors (2425220577498).

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

2169934200726 is a wasteful number, since it uses less digits than its factorization.

2169934200726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21273864735.

The product of its (nonzero) digits is 1959552, while the sum is 51.

The spelling of 2169934200726 in words is "two trillion, one hundred sixty-nine billion, nine hundred thirty-four million, two hundred thousand, seven hundred twenty-six".