26234200643 has 16 divisors (see below), whose sum is σ = 30713462784. Its totient is φ = 21943625760.

The previous prime is 26234200639. The next prime is 26234200649. The reversal of 26234200643 is 34600243262.

It is not a de Polignac number, because 26234200643 - 2² = 26234200639 is a prime.

It is a super-2 number, since 2×26234200643² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26234200649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187655 + ... + 296112.

It is an arithmetic number, because the mean of its divisors is an integer number (1919591424).

Almost surely, 2^26234200643 is an apocalyptic number.

26234200643 is a deficient number, since it is larger than the sum of its proper divisors (4479262141).

26234200643 is a wasteful number, since it uses less digits than its factorization.

26234200643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483962.

The product of its (nonzero) digits is 41472, while the sum is 32.

The spelling of 26234200643 in words is "twenty-six billion, two hundred thirty-four million, two hundred thousand, six hundred forty-three".