4238766461 has 4 divisors (see below), whose sum is σ = 4250774652. Its totient is φ = 4226758272.

The previous prime is 4238766443. The next prime is 4238766463. The reversal of 4238766461 is 1646678324.

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 2715035236 + 1523731225 = 52106^2 + 39035^2 .

It is a cyclic number.

It is not a de Polignac number, because 4238766461 - 2¹⁰ = 4238765437 is a prime.

It is a super-2 number, since 2×4238766461² = 35934282221796929042, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4238766463) 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, 6003566 + ... + 6004271.

It is an arithmetic number, because the mean of its divisors is an integer number (1062693663).

Almost surely, 2^4238766461 is an apocalyptic number.

It is an amenable number.

4238766461 is a deficient number, since it is larger than the sum of its proper divisors (12008191).

4238766461 is a wasteful number, since it uses less digits than its factorization.

4238766461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12008190.

The product of its digits is 1161216, while the sum is 47.

The square root of 4238766461 is about 65105.8097330799. The cubic root of 4238766461 is about 1618.3774921464.

The spelling of 4238766461 in words is "four billion, two hundred thirty-eight million, seven hundred sixty-six thousand, four hundred sixty-one".