10259426026 has 4 divisors (see below), whose sum is σ = 15389139042. Its totient is φ = 5129713012.

The previous prime is 10259426017. The next prime is 10259426039. The reversal of 10259426026 is 62062495201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 62062495201 = 7 ⋅8866070743.

It can be written as a sum of positive squares in only one way, i.e., 8314704225 + 1944721801 = 91185^2 + 44099^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2564856505 + ... + 2564856508.

Almost surely, 2^10259426026 is an apocalyptic number.

10259426026 is a deficient number, since it is larger than the sum of its proper divisors (5129713016).

10259426026 is an equidigital number, since it uses as much as digits as its factorization.

10259426026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5129713015.

The product of its (nonzero) digits is 51840, while the sum is 37.

The spelling of 10259426026 in words is "ten billion, two hundred fifty-nine million, four hundred twenty-six thousand, twenty-six".