7395042181 has 4 divisors (see below), whose sum is σ = 7552383552. Its totient is φ = 7237700812.

The previous prime is 7395042173. The next prime is 7395042217. The reversal of 7395042181 is 1812405937.

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 7395042181 - 2³ = 7395042173 is a prime.

It is a super-2 number, since 2×7395042181² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7395742181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78670615 + ... + 78670708.

It is an arithmetic number, because the mean of its divisors is an integer number (1888095888).

Almost surely, 2^7395042181 is an apocalyptic number.

It is an amenable number.

7395042181 is a deficient number, since it is larger than the sum of its proper divisors (157341371).

7395042181 is a wasteful number, since it uses less digits than its factorization.

7395042181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157341370.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 7395042181 is about 85994.4311045779. The cubic root of 7395042181 is about 1948.2598704512.

The spelling of 7395042181 in words is "seven billion, three hundred ninety-five million, forty-two thousand, one hundred eighty-one".