26342156029 has 6 divisors (see below), whose sum is σ = 30642916254. Its totient is φ = 22578990840.

The previous prime is 26342156023. The next prime is 26342156033. The reversal of 26342156029 is 92065124362.

It can be written as a sum of positive squares in only one way, i.e., 24452515129 + 1889640900 = 156373^2 + 43470^2 .

It is not a de Polignac number, because 26342156029 - 2⁷ = 26342155901 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26342155982 and 26342156000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26342156023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 268797462 + ... + 268797559.

It is an arithmetic number, because the mean of its divisors is an integer number (5107152709).

Almost surely, 2^26342156029 is an apocalyptic number.

It is an amenable number.

26342156029 is a deficient number, since it is larger than the sum of its proper divisors (4300760225).

26342156029 is an equidigital number, since it uses as much as digits as its factorization.

26342156029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537595035 (or 537595028 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 40.

The spelling of 26342156029 in words is "twenty-six billion, three hundred forty-two million, one hundred fifty-six thousand, twenty-nine".