26307809401 has 2 divisors, whose sum is σ = 26307809402. Its totient is φ = 26307809400.

The previous prime is 26307809329. The next prime is 26307809441. The reversal of 26307809401 is 10490870362.

It is an a-pointer prime, because the next prime (26307809441) can be obtained adding 26307809401 to its sum of digits (40).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16615210000 + 9692599401 = 128900^2 + 98451^2 .

It is a cyclic number.

It is not a de Polignac number, because 26307809401 - 2¹³ = 26307801209 is a prime.

It is not a weakly prime, because it can be changed into another prime (26307809441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13153904700 + 13153904701.

It is an arithmetic number, because the mean of its divisors is an integer number (13153904701).

Almost surely, 2^26307809401 is an apocalyptic number.

It is an amenable number.

26307809401 is a deficient number, since it is larger than the sum of its proper divisors (1).

26307809401 is an equidigital number, since it uses as much as digits as its factorization.

26307809401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 40.

The spelling of 26307809401 in words is "twenty-six billion, three hundred seven million, eight hundred nine thousand, four hundred one".