6425696826 has 36 divisors (see below), whose sum is σ = 14033465082. Its totient is φ = 2124937584.

The previous prime is 6425696821. The next prime is 6425696831. The reversal of 6425696826 is 6286965246.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (6425696821) and next prime (6425696831).

It can be written as a sum of positive squares in only one way, i.e., 5519747025 + 905949801 = 74295^2 + 30099^2 .

It is not an unprimeable number, because it can be changed into a prime (6425696821) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 279256 + ... + 301388.

Almost surely, 2^6425696826 is an apocalyptic number.

6425696826 is an abundant number, since it is smaller than the sum of its proper divisors (7607768256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6425696826 is a wasteful number, since it uses less digits than its factorization.

6425696826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22395 (or 22265 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 54.

The square root of 6425696826 is about 80160.4442727209. Note that the first 3 decimals coincide. The cubic root of 6425696826 is about 1859.1170922392.

The spelling of 6425696826 in words is "six billion, four hundred twenty-five million, six hundred ninety-six thousand, eight hundred twenty-six".