26946143426 has 8 divisors (see below), whose sum is σ = 40420083900. Its totient is φ = 13472782128.

The previous prime is 26946143401. The next prime is 26946143443. The reversal of 26946143426 is 62434164962.

It can be written as a sum of positive squares in 2 ways, for example, as 25648342801 + 1297800625 = 160151^2 + 36025^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 800 + ... + 232148.

Almost surely, 2^26946143426 is an apocalyptic number.

26946143426 is a deficient number, since it is larger than the sum of its proper divisors (13473940474).

26946143426 is a wasteful number, since it uses less digits than its factorization.

26946143426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289588.

The product of its digits is 1492992, while the sum is 47.

The spelling of 26946143426 in words is "twenty-six billion, nine hundred forty-six million, one hundred forty-three thousand, four hundred twenty-six".