6453938069 has 48 divisors (see below), whose sum is σ = 7387195200. Its totient is φ = 5618688768.

The previous prime is 6453938063. The next prime is 6453938111. The reversal of 6453938069 is 9608393546.

It is not a de Polignac number, because 6453938069 - 2¹² = 6453933973 is a prime.

It is a super-2 number, since 2×6453938069² = 83306633196974897522, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 6453938069.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6453938063) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 47108969 + ... + 47109105.

It is an arithmetic number, because the mean of its divisors is an integer number (153899900).

Almost surely, 2^6453938069 is an apocalyptic number.

It is an amenable number.

6453938069 is a deficient number, since it is larger than the sum of its proper divisors (933257131).

6453938069 is a wasteful number, since it uses less digits than its factorization.

6453938069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354 (or 331 counting only the distinct ones).

The product of its (nonzero) digits is 4199040, while the sum is 53.

The square root of 6453938069 is about 80336.4056265900. The cubic root of 6453938069 is about 1861.8367477819.

The spelling of 6453938069 in words is "six billion, four hundred fifty-three million, nine hundred thirty-eight thousand, sixty-nine".