5418121193 has 4 divisors (see below), whose sum is σ = 5592899328. Its totient is φ = 5243343060.

The previous prime is 5418121081. The next prime is 5418121211. The reversal of 5418121193 is 3911218145.

It is a happy number.

5418121193 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 a de Polignac number, because none of the positive numbers 2^k-5418121193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5418129193) 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, 87389021 + ... + 87389082.

It is an arithmetic number, because the mean of its divisors is an integer number (1398224832).

Almost surely, 2^5418121193 is an apocalyptic number.

It is an amenable number.

5418121193 is a deficient number, since it is larger than the sum of its proper divisors (174778135).

5418121193 is a wasteful number, since it uses less digits than its factorization.

5418121193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174778134.

The product of its digits is 8640, while the sum is 35.

The square root of 5418121193 is about 73607.8881166958. Note that the first 3 decimals coincide. The cubic root of 5418121193 is about 1756.3709217991.

The spelling of 5418121193 in words is "five billion, four hundred eighteen million, one hundred twenty-one thousand, one hundred ninety-three".