4242495181 has 4 divisors (see below), whose sum is σ = 4242844000. Its totient is φ = 4242146364.

The previous prime is 4242495157. The next prime is 4242495193. The reversal of 4242495181 is 1815942424.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4242495181 - 2¹⁷ = 4242364109 is a prime.

It is a super-2 number, since 2×4242495181² = 35997530721616445522, 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 (4242495151) 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, 155481 + ... + 180718.

It is an arithmetic number, because the mean of its divisors is an integer number (1060711000).

Almost surely, 2^4242495181 is an apocalyptic number.

It is an amenable number.

4242495181 is a deficient number, since it is larger than the sum of its proper divisors (348819).

4242495181 is a wasteful number, since it uses less digits than its factorization.

4242495181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348818.

The product of its digits is 92160, while the sum is 40.

The square root of 4242495181 is about 65134.4392852199. The cubic root of 4242495181 is about 1618.8518996571.

The spelling of 4242495181 in words is "four billion, two hundred forty-two million, four hundred ninety-five thousand, one hundred eighty-one".