26615697941479 has 4 divisors (see below), whose sum is σ = 26629340023360. Its totient is φ = 26602055859600.

The previous prime is 26615697941423. The next prime is 26615697941491. The reversal of 26615697941479 is 97414979651662.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 26615697941479 - 2⁷ = 26615697941351 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 (26615697941419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6821038014 + ... + 6821041915.

It is an arithmetic number, because the mean of its divisors is an integer number (6657335005840).

Almost surely, 2^{26615697941479} is an apocalyptic number.

26615697941479 is a deficient number, since it is larger than the sum of its proper divisors (13642081881).

26615697941479 is a wasteful number, since it uses less digits than its factorization.

26615697941479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13642081880.

The product of its digits is 1234517760, while the sum is 76.

The spelling of 26615697941479 in words is "twenty-six trillion, six hundred fifteen billion, six hundred ninety-seven million, nine hundred forty-one thousand, four hundred seventy-nine".