26221547132743 has 32 divisors (see below), whose sum is σ = 28052311288320. Its totient is φ = 24456251128320.

The previous prime is 26221547132717. The next prime is 26221547132761. The reversal of 26221547132743 is 34723174512262.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26221547132743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26221547132773) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1966953588 + ... + 1966966918.

It is an arithmetic number, because the mean of its divisors is an integer number (876634727760).

Almost surely, 2^{26221547132743} is an apocalyptic number.

26221547132743 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

26221547132743 is a deficient number, since it is larger than the sum of its proper divisors (1830764155577).

26221547132743 is a wasteful number, since it uses less digits than its factorization.

26221547132743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26679.

The product of its digits is 3386880, while the sum is 49.

The spelling of 26221547132743 in words is "twenty-six trillion, two hundred twenty-one billion, five hundred forty-seven million, one hundred thirty-two thousand, seven hundred forty-three".