4251418461 has 32 divisors (see below), whose sum is σ = 6525911040. Its totient is φ = 2732583600.

The previous prime is 4251418433. The next prime is 4251418487. The reversal of 4251418461 is 1648141524.

4251418461 is a `hidden beast` number, since 4 + 2 + 514 + 1 + 84 + 61 = 666.

It is not a de Polignac number, because 4251418461 - 2⁷ = 4251418333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4251418411) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 217456 + ... + 236198.

It is an arithmetic number, because the mean of its divisors is an integer number (203934720).

Almost surely, 2^4251418461 is an apocalyptic number.

It is an amenable number.

4251418461 is a deficient number, since it is larger than the sum of its proper divisors (2274492579).

4251418461 is a wasteful number, since it uses less digits than its factorization.

4251418461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19054 (or 19048 counting only the distinct ones).

The product of its digits is 30720, while the sum is 36.

The square root of 4251418461 is about 65202.9022436885. The cubic root of 4251418461 is about 1619.9860869861.

Adding to 4251418461 its reverse (1648141524), we get a palindrome (5899559985).

The spelling of 4251418461 in words is "four billion, two hundred fifty-one million, four hundred eighteen thousand, four hundred sixty-one".