13826634436 has 12 divisors (see below), whose sum is σ = 24200109612. Its totient is φ = 6912317408.

The previous prime is 13826634433. The next prime is 13826634439. The reversal of 13826634436 is 63443662831.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13826634433) and next prime (13826634439).

It can be written as a sum of positive squares in 2 ways, for example, as 8962408900 + 4864225536 = 94670^2 + 69744^2 .

It is not an unprimeable number, because it can be changed into a prime (13826634433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 218395 + ... + 274498.

It is an arithmetic number, because the mean of its divisors is an integer number (2016675801).

Almost surely, 2^13826634436 is an apocalyptic number.

It is an amenable number.

13826634436 is a deficient number, since it is larger than the sum of its proper divisors (10373475176).

13826634436 is a wasteful number, since it uses less digits than its factorization.

13826634436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499910 (or 499908 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 46.

The spelling of 13826634436 in words is "thirteen billion, eight hundred twenty-six million, six hundred thirty-four thousand, four hundred thirty-six".