26015691413 has 16 divisors (see below), whose sum is σ = 27676805760. Its totient is φ = 24369386496.

The previous prime is 26015691409. The next prime is 26015691463. The reversal of 26015691413 is 31419651062.

It is a cyclic number.

It is not a de Polignac number, because 26015691413 - 2² = 26015691409 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26015691463) 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 15 ways as a sum of consecutive naturals, for example, 3334445 + ... + 3342237.

It is an arithmetic number, because the mean of its divisors is an integer number (1729800360).

Almost surely, 2^26015691413 is an apocalyptic number.

It is an amenable number.

26015691413 is a deficient number, since it is larger than the sum of its proper divisors (1661114347).

26015691413 is a wasteful number, since it uses less digits than its factorization.

26015691413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8716.

The product of its (nonzero) digits is 38880, while the sum is 38.

The spelling of 26015691413 in words is "twenty-six billion, fifteen million, six hundred ninety-one thousand, four hundred thirteen".