4656217478 has 16 divisors (see below), whose sum is σ = 7651974096. Its totient is φ = 2107376640.

The previous prime is 4656217469. The next prime is 4656217523. The reversal of 4656217478 is 8747126564.

It is a super-2 number, since 2×4656217478² = 43360722404865360968, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 449051 + ... + 459302.

It is an arithmetic number, because the mean of its divisors is an integer number (478248381).

Almost surely, 2^4656217478 is an apocalyptic number.

4656217478 is a deficient number, since it is larger than the sum of its proper divisors (2995756618).

4656217478 is a wasteful number, since it uses less digits than its factorization.

4656217478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 908599.

The product of its digits is 2257920, while the sum is 50.

The square root of 4656217478 is about 68236.4820165870. The cubic root of 4656217478 is about 1669.8511201496.

The spelling of 4656217478 in words is "four billion, six hundred fifty-six million, two hundred seventeen thousand, four hundred seventy-eight".