4557957986 has 4 divisors (see below), whose sum is σ = 6836936982. Its totient is φ = 2278978992.

The previous prime is 4557957977. The next prime is 4557958007. The reversal of 4557957986 is 6897597554.

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

It can be written as a sum of positive squares in only one way, i.e., 4002460225 + 555497761 = 63265^2 + 23569^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1139489495 + ... + 1139489498.

Almost surely, 2^4557957986 is an apocalyptic number.

4557957986 is a deficient number, since it is larger than the sum of its proper divisors (2278978996).

4557957986 is a wasteful number, since it uses less digits than its factorization.

4557957986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2278978995.

The product of its digits is 95256000, while the sum is 65.

The square root of 4557957986 is about 67512.6505626908. The cubic root of 4557957986 is about 1658.0213015695.

The spelling of 4557957986 in words is "four billion, five hundred fifty-seven million, nine hundred fifty-seven thousand, nine hundred eighty-six".