26739408129 has 32 divisors (see below), whose sum is σ = 40916736000. Its totient is φ = 15215675904.

The previous prime is 26739408109. The next prime is 26739408173. The reversal of 26739408129 is 92180493762.

It is not a de Polignac number, because 26739408129 - 2¹¹ = 26739406081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26739408109) 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, 6473937 + ... + 6478065.

It is an arithmetic number, because the mean of its divisors is an integer number (1278648000).

Almost surely, 2^26739408129 is an apocalyptic number.

It is an amenable number.

26739408129 is a deficient number, since it is larger than the sum of its proper divisors (14177327871).

26739408129 is a wasteful number, since it uses less digits than its factorization.

26739408129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5357.

The product of its (nonzero) digits is 1306368, while the sum is 51.

The spelling of 26739408129 in words is "twenty-six billion, seven hundred thirty-nine million, four hundred eight thousand, one hundred twenty-nine".