26343154646 has 4 divisors (see below), whose sum is σ = 39514731972. Its totient is φ = 13171577322.

The previous prime is 26343154633. The next prime is 26343154687. The reversal of 26343154646 is 64645134362.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 26343154597 and 26343154606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6585788660 + ... + 6585788663.

It is an arithmetic number, because the mean of its divisors is an integer number (9878682993).

Almost surely, 2^26343154646 is an apocalyptic number.

26343154646 is a deficient number, since it is larger than the sum of its proper divisors (13171577326).

26343154646 is a wasteful number, since it uses less digits than its factorization.

26343154646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13171577325.

The product of its digits is 1244160, while the sum is 44.

The spelling of 26343154646 in words is "twenty-six billion, three hundred forty-three million, one hundred fifty-four thousand, six hundred forty-six".