6456413553 has 8 divisors (see below), whose sum is σ = 8660100288. Its totient is φ = 4278501264.

The previous prime is 6456413549. The next prime is 6456413591. The reversal of 6456413553 is 3553146546.

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

It is not a de Polignac number, because 6456413553 - 2² = 6456413549 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6456413543) 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, 6443026 + ... + 6444027.

It is an arithmetic number, because the mean of its divisors is an integer number (1082512536).

Almost surely, 2^6456413553 is an apocalyptic number.

It is an amenable number.

6456413553 is a deficient number, since it is larger than the sum of its proper divisors (2203686735).

6456413553 is a wasteful number, since it uses less digits than its factorization.

6456413553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12887223.

The product of its digits is 648000, while the sum is 42.

The square root of 6456413553 is about 80351.8111370242. The cubic root of 6456413553 is about 1862.0747604952.

The spelling of 6456413553 in words is "six billion, four hundred fifty-six million, four hundred thirteen thousand, five hundred fifty-three".