6464253263 has 8 divisors (see below), whose sum is σ = 6965572656. Its totient is φ = 5963515200.

The previous prime is 6464253217. The next prime is 6464253277. The reversal of 6464253263 is 3623524646.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6464253263 - 2⁶ = 6464253199 is a prime.

It is a super-2 number, since 2×6464253263² = 83573140496412294338, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6464253263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6464253463) 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, 122093 + ... + 166838.

It is an arithmetic number, because the mean of its divisors is an integer number (870696582).

Almost surely, 2^6464253263 is an apocalyptic number.

6464253263 is a deficient number, since it is larger than the sum of its proper divisors (501319393).

6464253263 is a wasteful number, since it uses less digits than its factorization.

6464253263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290665.

The product of its digits is 622080, while the sum is 41.

The square root of 6464253263 is about 80400.5799916891. The cubic root of 6464253263 is about 1862.8281313558.

The spelling of 6464253263 in words is "six billion, four hundred sixty-four million, two hundred fifty-three thousand, two hundred sixty-three".