6451326652 has 24 divisors (see below), whose sum is σ = 11888609040. Its totient is φ = 3054712320.

The previous prime is 6451326613. The next prime is 6451326653. The reversal of 6451326652 is 2566231546.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6451326653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200652 + ... + 230572.

It is an arithmetic number, because the mean of its divisors is an integer number (495358710).

Almost surely, 2^6451326652 is an apocalyptic number.

It is an amenable number.

6451326652 is a deficient number, since it is larger than the sum of its proper divisors (5437282388).

6451326652 is a wasteful number, since it uses less digits than its factorization.

6451326652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32781 (or 32779 counting only the distinct ones).

The product of its digits is 259200, while the sum is 40.

The square root of 6451326652 is about 80320.1509709737. The cubic root of 6451326652 is about 1861.5855994135.

The spelling of 6451326652 in words is "six billion, four hundred fifty-one million, three hundred twenty-six thousand, six hundred fifty-two".