5121213193 has 4 divisors (see below), whose sum is σ = 5121614848. Its totient is φ = 5120811540.

The previous prime is 5121213191. The next prime is 5121213197. The reversal of 5121213193 is 3913121215.

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 5121213193 - 2¹ = 5121213191 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5121213191) 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, 181053 + ... + 207418.

It is an arithmetic number, because the mean of its divisors is an integer number (1280403712).

Almost surely, 2^5121213193 is an apocalyptic number.

It is an amenable number.

5121213193 is a deficient number, since it is larger than the sum of its proper divisors (401655).

5121213193 is a wasteful number, since it uses less digits than its factorization.

5121213193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401654.

The product of its digits is 1620, while the sum is 28.

The square root of 5121213193 is about 71562.6522216722. The cubic root of 5121213193 is about 1723.6838738311.

The spelling of 5121213193 in words is "five billion, one hundred twenty-one million, two hundred thirteen thousand, one hundred ninety-three".