6417645453 has 12 divisors (see below), whose sum is σ = 9290583900. Its totient is φ = 4268898816.

The previous prime is 6417645433. The next prime is 6417645463. The reversal of 6417645453 is 3545467146.

6417645453 is a `hidden beast` number, since 6 + 41 + 7 + 64 + 545 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5040716004 + 1376929449 = 70998^2 + 37107^2 .

It is a de Polignac number, because none of the positive numbers 2^k-6417645453 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6417645399 and 6417645408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6417645433) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 790026 + ... + 798107.

It is an arithmetic number, because the mean of its divisors is an integer number (774215325).

Almost surely, 2^6417645453 is an apocalyptic number.

It is an amenable number.

6417645453 is a deficient number, since it is larger than the sum of its proper divisors (2872938447).

6417645453 is a wasteful number, since it uses less digits than its factorization.

6417645453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1588588 (or 1588585 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 45.

The square root of 6417645453 is about 80110.2081697458. The cubic root of 6417645453 is about 1858.3402788848.

The spelling of 6417645453 in words is "six billion, four hundred seventeen million, six hundred forty-five thousand, four hundred fifty-three".