26090407447129 has 9 divisors (see below), whose sum is σ = 26265112322421. Its totient is φ = 25916857110300.

The previous prime is 26090407447081. The next prime is 26090407447141. The reversal of 26090407447129 is 92174470409062.

The square root of 26090407447129 is 5107877.

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

It is not a de Polignac number, because 26090407447129 - 2¹³ = 26090407438937 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26090407447129.

It is not an unprimeable number, because it can be changed into a prime (26090407447189) 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, 771272514 + ... + 771306340.

Almost surely, 2^{26090407447129} is an apocalyptic number.

26090407447129 is the 5107877-th square number.

26090407447129 is the 2553939-th centered octagonal number.

It is an amenable number.

26090407447129 is a deficient number, since it is larger than the sum of its proper divisors (174704875292).

26090407447129 is an frugal number, since it uses more digits than its factorization.

26090407447129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67956 (or 33978 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 55.

The spelling of 26090407447129 in words is "twenty-six trillion, ninety billion, four hundred seven million, four hundred forty-seven thousand, one hundred twenty-nine".