26343434465 has 8 divisors (see below), whose sum is σ = 31902141480. Its totient is φ = 20881400832.

The previous prime is 26343434461. The next prime is 26343434483. The reversal of 26343434465 is 56443434362.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 11277590416 + 15065844049 = 106196^2 + 122743^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 26343434465 - 2² = 26343434461 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26343434461) 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, 24167744 + ... + 24168833.

It is an arithmetic number, because the mean of its divisors is an integer number (3987767685).

Almost surely, 2^26343434465 is an apocalyptic number.

It is an amenable number.

26343434465 is a deficient number, since it is larger than the sum of its proper divisors (5558707015).

26343434465 is a wasteful number, since it uses less digits than its factorization.

26343434465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48336691.

The product of its digits is 2488320, while the sum is 44.

The spelling of 26343434465 in words is "twenty-six billion, three hundred forty-three million, four hundred thirty-four thousand, four hundred sixty-five".