6478615053 has 12 divisors (see below), whose sum is σ = 9360273468. Its totient is φ = 4318027200.

The previous prime is 6478615043. The next prime is 6478615061. The reversal of 6478615053 is 3505168746.

6478615053 is a `hidden beast` number, since 64 + 7 + 86 + 1 + 505 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5934699369 + 543915684 = 77037^2 + 23322^2 .

It is not a de Polignac number, because 6478615053 - 2⁵ = 6478615021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6478615043) 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, 47398 + ... + 123303.

It is an arithmetic number, because the mean of its divisors is an integer number (780022789).

Almost surely, 2^6478615053 is an apocalyptic number.

It is an amenable number.

6478615053 is a deficient number, since it is larger than the sum of its proper divisors (2881658415).

6478615053 is a wasteful number, since it uses less digits than its factorization.

6478615053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174924 (or 174921 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The square root of 6478615053 is about 80489.8444090930. The cubic root of 6478615053 is about 1864.2066745923.

The spelling of 6478615053 in words is "six billion, four hundred seventy-eight million, six hundred fifteen thousand, fifty-three".