25926941801 has 2 divisors, whose sum is σ = 25926941802. Its totient is φ = 25926941800.

The previous prime is 25926941783. The next prime is 25926941869. The reversal of 25926941801 is 10814962952.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25728160000 + 198781801 = 160400^2 + 14099^2 .

It is a cyclic number.

It is not a de Polignac number, because 25926941801 - 2¹⁰ = 25926940777 is a prime.

It is a super-2 number, since 2×25926941801² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (25926941101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12963470900 + 12963470901.

It is an arithmetic number, because the mean of its divisors is an integer number (12963470901).

Almost surely, 2^25926941801 is an apocalyptic number.

It is an amenable number.

25926941801 is a deficient number, since it is larger than the sum of its proper divisors (1).

25926941801 is an equidigital number, since it uses as much as digits as its factorization.

25926941801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 311040, while the sum is 47.

The spelling of 25926941801 in words is "twenty-five billion, nine hundred twenty-six million, nine hundred forty-one thousand, eight hundred one".