26252512643 has 8 divisors (see below), whose sum is σ = 30037644288. Its totient is φ = 22476074184.

The previous prime is 26252512613. The next prime is 26252512651. The reversal of 26252512643 is 34621525262.

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 26252512643 - 2⁸ = 26252512387 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26252512597 and 26252512606.

It is not an unprimeable number, because it can be changed into a prime (26252512603) 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, 2166821 + ... + 2178902.

It is an arithmetic number, because the mean of its divisors is an integer number (3754705536).

Almost surely, 2^26252512643 is an apocalyptic number.

26252512643 is a deficient number, since it is larger than the sum of its proper divisors (3785131645).

26252512643 is an equidigital number, since it uses as much as digits as its factorization.

26252512643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4346593.

The product of its digits is 172800, while the sum is 38.

The spelling of 26252512643 in words is "twenty-six billion, two hundred fifty-two million, five hundred twelve thousand, six hundred forty-three".