25426366345 has 8 divisors (see below), whose sum is σ = 30514301064. Its totient is φ = 20339318784.

The previous prime is 25426366331. The next prime is 25426366349. The reversal of 25426366345 is 54366362452.

It can be written as a sum of positive squares in 4 ways, for example, as 3421314064 + 22005052281 = 58492^2 + 148341^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25426366345 - 2⁵ = 25426366313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25426366295 and 25426366304.

It is not an unprimeable number, because it can be changed into a prime (25426366349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157014 + ... + 274783.

It is an arithmetic number, because the mean of its divisors is an integer number (3814287633).

Almost surely, 2^25426366345 is an apocalyptic number.

It is an amenable number.

25426366345 is a deficient number, since it is larger than the sum of its proper divisors (5087934719).

25426366345 is a wasteful number, since it uses less digits than its factorization.

25426366345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443579.

The product of its digits is 3110400, while the sum is 46.

The spelling of 25426366345 in words is "twenty-five billion, four hundred twenty-six million, three hundred sixty-six thousand, three hundred forty-five".