4657129478 has 4 divisors (see below), whose sum is σ = 6985694220. Its totient is φ = 2328564738.

The previous prime is 4657129471. The next prime is 4657129487. The reversal of 4657129478 is 8749217564.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4657129471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1164282368 + ... + 1164282371.

It is an arithmetic number, because the mean of its divisors is an integer number (1746423555).

Almost surely, 2^4657129478 is an apocalyptic number.

4657129478 is a deficient number, since it is larger than the sum of its proper divisors (2328564742).

4657129478 is a wasteful number, since it uses less digits than its factorization.

4657129478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2328564741.

The product of its digits is 3386880, while the sum is 53.

The square root of 4657129478 is about 68243.1643316750. The cubic root of 4657129478 is about 1669.9601360200.

The spelling of 4657129478 in words is "four billion, six hundred fifty-seven million, one hundred twenty-nine thousand, four hundred seventy-eight".