4557421156 has 6 divisors (see below), whose sum is σ = 7975487030. Its totient is φ = 2278710576.

The previous prime is 4557421139. The next prime is 4557421159. The reversal of 4557421156 is 6511247554.

It can be written as a sum of positive squares in only one way, i.e., 4551661156 + 5760000 = 67466^2 + 2400^2 .

It is not an unprimeable number, because it can be changed into a prime (4557421159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 569677641 + ... + 569677648.

Almost surely, 2^4557421156 is an apocalyptic number.

It is an amenable number.

4557421156 is a deficient number, since it is larger than the sum of its proper divisors (3418065874).

4557421156 is a wasteful number, since it uses less digits than its factorization.

4557421156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1139355293 (or 1139355291 counting only the distinct ones).

The product of its digits is 168000, while the sum is 40.

The square root of 4557421156 is about 67508.6746722227. The cubic root of 4557421156 is about 1657.9562058604.

The spelling of 4557421156 in words is "four billion, five hundred fifty-seven million, four hundred twenty-one thousand, one hundred fifty-six".