26458915055329 has 9 divisors (see below), whose sum is σ = 26482262872467. Its totient is φ = 26435587818024.

The previous prime is 26458915055327. The next prime is 26458915055389. The reversal of 26458915055329 is 92355051985462.

The square root of 26458915055329 is 5143823.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1130443147729 + 25328471907600 = 1063223^2 + 5032740^2 .

It is not a de Polignac number, because 26458915055329 - 2¹ = 26458915055327 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26458915055327) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 11661045607 + ... + 11661047875.

Almost surely, 2^{26458915055329} is an apocalyptic number.

26458915055329 is the 5143823-rd square number.

26458915055329 is the 2571912-nd centered octagonal number.

It is an amenable number.

26458915055329 is a deficient number, since it is larger than the sum of its proper divisors (23347817138).

26458915055329 is an frugal number, since it uses more digits than its factorization.

26458915055329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9072 (or 4536 counting only the distinct ones).

The product of its (nonzero) digits is 116640000, while the sum is 64.

The spelling of 26458915055329 in words is "twenty-six trillion, four hundred fifty-eight billion, nine hundred fifteen million, fifty-five thousand, three hundred twenty-nine".