26438922813 has 16 divisors (see below), whose sum is σ = 35946608256. Its totient is φ = 17281982400.

The previous prime is 26438922803. The next prime is 26438922823. The reversal of 26438922813 is 31822983462.

It is an interprime number because it is at equal distance from previous prime (26438922803) and next prime (26438922823).

It is not a de Polignac number, because 26438922813 - 2⁶ = 26438922749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26438922803) 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, 392370 + ... + 454787.

It is an arithmetic number, because the mean of its divisors is an integer number (2246663016).

Almost surely, 2^26438922813 is an apocalyptic number.

It is an amenable number.

26438922813 is a deficient number, since it is larger than the sum of its proper divisors (9507685443).

26438922813 is a wasteful number, since it uses less digits than its factorization.

26438922813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847364.

The product of its digits is 995328, while the sum is 48.

The spelling of 26438922813 in words is "twenty-six billion, four hundred thirty-eight million, nine hundred twenty-two thousand, eight hundred thirteen".