6454808143 has 16 divisors (see below), whose sum is σ = 7413534720. Its totient is φ = 5505307200.

The previous prime is 6454808123. The next prime is 6454808179. The reversal of 6454808143 is 3418084546.

It is a cyclic number.

It is not a de Polignac number, because 6454808143 - 2²¹ = 6452710991 is a prime.

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 6454808143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6454808123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1231338 + ... + 1236568.

It is an arithmetic number, because the mean of its divisors is an integer number (463345920).

Almost surely, 2^6454808143 is an apocalyptic number.

6454808143 is a deficient number, since it is larger than the sum of its proper divisors (958726577).

6454808143 is a wasteful number, since it uses less digits than its factorization.

6454808143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6078.

The product of its (nonzero) digits is 368640, while the sum is 43.

The square root of 6454808143 is about 80341.8206353329. The cubic root of 6454808143 is about 1861.9204105492.

The spelling of 6454808143 in words is "six billion, four hundred fifty-four million, eight hundred eight thousand, one hundred forty-three".