7385540189 has 4 divisors (see below), whose sum is σ = 7706650656. Its totient is φ = 7064429724.

The previous prime is 7385540177. The next prime is 7385540209. The reversal of 7385540189 is 9810455837.

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 7385540189 - 2⁸ = 7385539933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7385540389) 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, 160555199 + ... + 160555244.

It is an arithmetic number, because the mean of its divisors is an integer number (1926662664).

Almost surely, 2^7385540189 is an apocalyptic number.

It is an amenable number.

7385540189 is a deficient number, since it is larger than the sum of its proper divisors (321110467).

7385540189 is a wasteful number, since it uses less digits than its factorization.

7385540189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321110466.

The product of its (nonzero) digits is 1209600, while the sum is 50.

The square root of 7385540189 is about 85939.1656289494. The cubic root of 7385540189 is about 1947.4250641111.

The spelling of 7385540189 in words is "seven billion, three hundred eighty-five million, five hundred forty thousand, one hundred eighty-nine".