26313321073 has 4 divisors (see below), whose sum is σ = 28337422708. Its totient is φ = 24289219440.

The previous prime is 26313321061. The next prime is 26313321119. The reversal of 26313321073 is 37012331362.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37012331362 = 2 ⋅18506165681.

It can be written as a sum of positive squares in 2 ways, for example, as 18195851664 + 8117469409 = 134892^2 + 90097^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26313321073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26313321173) 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, 1012050798 + ... + 1012050823.

It is an arithmetic number, because the mean of its divisors is an integer number (7084355677).

Almost surely, 2^26313321073 is an apocalyptic number.

It is an amenable number.

26313321073 is a deficient number, since it is larger than the sum of its proper divisors (2024101635).

26313321073 is a wasteful number, since it uses less digits than its factorization.

26313321073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2024101634.

The product of its (nonzero) digits is 13608, while the sum is 31.

The spelling of 26313321073 in words is "twenty-six billion, three hundred thirteen million, three hundred twenty-one thousand, seventy-three".