4681954557 has 18 divisors (see below), whose sum is σ = 7866958398. Its totient is φ = 2675402352.

The previous prime is 4681954493. The next prime is 4681954567. The reversal of 4681954557 is 7554591864.

It is a happy number.

4681954557 is a `hidden beast` number, since 4 + 6 + 81 + 9 + 5 + 4 + 557 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4276375236 + 405579321 = 65394^2 + 20139^2 .

It is not a de Polignac number, because 4681954557 - 2⁶ = 4681954493 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4681954567) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 5307898 + ... + 5308779.

Almost surely, 2^4681954557 is an apocalyptic number.

It is an amenable number.

4681954557 is a deficient number, since it is larger than the sum of its proper divisors (3185003841).

4681954557 is a wasteful number, since it uses less digits than its factorization.

4681954557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10616697 (or 10616687 counting only the distinct ones).

The product of its digits is 6048000, while the sum is 54.

The square root of 4681954557 is about 68424.8095138014. The cubic root of 4681954557 is about 1672.9221499345.

The spelling of 4681954557 in words is "four billion, six hundred eighty-one million, nine hundred fifty-four thousand, five hundred fifty-seven".