4642154557 has 2 divisors, whose sum is σ = 4642154558. Its totient is φ = 4642154556.

The previous prime is 4642154527. The next prime is 4642154567. The reversal of 4642154557 is 7554512464.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4567867396 + 74287161 = 67586^2 + 8619^2 .

It is a cyclic number.

It is not a de Polignac number, because 4642154557 - 2¹⁵ = 4642121789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4642154527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2321077278 + 2321077279.

It is an arithmetic number, because the mean of its divisors is an integer number (2321077279).

Almost surely, 2^4642154557 is an apocalyptic number.

It is an amenable number.

4642154557 is a deficient number, since it is larger than the sum of its proper divisors (1).

4642154557 is an equidigital number, since it uses as much as digits as its factorization.

4642154557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 672000, while the sum is 43.

The square root of 4642154557 is about 68133.3586211630. The cubic root of 4642154557 is about 1668.1683045949.

The spelling of 4642154557 in words is "four billion, six hundred forty-two million, one hundred fifty-four thousand, five hundred fifty-seven".