26070464991 has 4 divisors (see below), whose sum is σ = 34760619992. Its totient is φ = 17380309992.

The previous prime is 26070464963. The next prime is 26070464993. The reversal of 26070464991 is 19946407062.

It is a happy number.

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

It is not a de Polignac number, because 26070464991 - 2²² = 26066270687 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 26070464991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26070464993) 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, 4345077496 + ... + 4345077501.

It is an arithmetic number, because the mean of its divisors is an integer number (8690154998).

Almost surely, 2^26070464991 is an apocalyptic number.

26070464991 is a deficient number, since it is larger than the sum of its proper divisors (8690155001).

26070464991 is an equidigital number, since it uses as much as digits as its factorization.

26070464991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8690155000.

The product of its (nonzero) digits is 653184, while the sum is 48.

The spelling of 26070464991 in words is "twenty-six billion, seventy million, four hundred sixty-four thousand, nine hundred ninety-one".