4556297381 has 4 divisors (see below), whose sum is σ = 4824314892. Its totient is φ = 4288279872.

The previous prime is 4556297371. The next prime is 4556297393. The reversal of 4556297381 is 1837926554.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3384330625 + 1171966756 = 58175^2 + 34234^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4556297381 is a prime.

It is a super-2 number, since 2×4556297381² = 41519691648214918322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4556297311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134008730 + ... + 134008763.

It is an arithmetic number, because the mean of its divisors is an integer number (1206078723).

Almost surely, 2^4556297381 is an apocalyptic number.

It is an amenable number.

4556297381 is a deficient number, since it is larger than the sum of its proper divisors (268017511).

4556297381 is a wasteful number, since it uses less digits than its factorization.

4556297381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268017510.

The product of its digits is 1814400, while the sum is 50.

The square root of 4556297381 is about 67500.3509694579. The cubic root of 4556297381 is about 1657.8199209723.

The spelling of 4556297381 in words is "four billion, five hundred fifty-six million, two hundred ninety-seven thousand, three hundred eighty-one".