6473420255 has 4 divisors (see below), whose sum is σ = 7768104312. Its totient is φ = 5178736200.

The previous prime is 6473420237. The next prime is 6473420257. The reversal of 6473420255 is 5520243746.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 6473420255 - 2⁸ = 6473419999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6473420257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 647342021 + ... + 647342030.

It is an arithmetic number, because the mean of its divisors is an integer number (1942026078).

Almost surely, 2^6473420255 is an apocalyptic number.

6473420255 is a deficient number, since it is larger than the sum of its proper divisors (1294684057).

6473420255 is a wasteful number, since it uses less digits than its factorization.

6473420255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1294684056.

The product of its (nonzero) digits is 201600, while the sum is 38.

The square root of 6473420255 is about 80457.5680405517. The cubic root of 6473420255 is about 1863.7082776068.

The spelling of 6473420255 in words is "six billion, four hundred seventy-three million, four hundred twenty thousand, two hundred fifty-five".