4660639954 has 16 divisors (see below), whose sum is σ = 7182581400. Its totient is φ = 2266493184.

The previous prime is 4660639943. The next prime is 4660639957. The reversal of 4660639954 is 4599360664.

It can be written as a sum of positive squares in 4 ways, for example, as 4049413225 + 611226729 = 63635^2 + 24723^2 .

It is a super-2 number, since 2×4660639954² = 43443129561642244232, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4660639957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218392 + ... + 238780.

Almost surely, 2^4660639954 is an apocalyptic number.

4660639954 is a deficient number, since it is larger than the sum of its proper divisors (2521941446).

4660639954 is a wasteful number, since it uses less digits than its factorization.

4660639954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23517.

The product of its (nonzero) digits is 4199040, while the sum is 52.

The square root of 4660639954 is about 68268.8798355444. The cubic root of 4660639954 is about 1670.3796278004.

The spelling of 4660639954 in words is "four billion, six hundred sixty million, six hundred thirty-nine thousand, nine hundred fifty-four".