26148696973 has 12 divisors (see below), whose sum is σ = 30991797180. Its totient is φ = 21990276672.

The previous prime is 26148696961. The next prime is 26148696979. The reversal of 26148696973 is 37969684162.

It can be written as a sum of positive squares in 2 ways, for example, as 23789360644 + 2359336329 = 154238^2 + 48573^2 .

It is not a de Polignac number, because 26148696973 - 2⁹ = 26148696461 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 (26148696979) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5031808 + ... + 5037001.

It is an arithmetic number, because the mean of its divisors is an integer number (2582649765).

Almost surely, 2^26148696973 is an apocalyptic number.

It is an amenable number.

26148696973 is a deficient number, since it is larger than the sum of its proper divisors (4843100207).

26148696973 is a wasteful number, since it uses less digits than its factorization.

26148696973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10068876 (or 10068869 counting only the distinct ones).

The product of its digits is 23514624, while the sum is 61.

The spelling of 26148696973 in words is "twenty-six billion, one hundred forty-eight million, six hundred ninety-six thousand, nine hundred seventy-three".