5146366121 has 4 divisors (see below), whose sum is σ = 5542240452. Its totient is φ = 4750491792.

The previous prime is 5146366117. The next prime is 5146366133. The reversal of 5146366121 is 1216636415.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1216636415 = 5 ⋅243327283.

It can be written as a sum of positive squares in 2 ways, for example, as 3115872400 + 2030493721 = 55820^2 + 45061^2 .

It is a cyclic number.

It is not a de Polignac number, because 5146366121 - 2² = 5146366117 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5146363121) 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, 197937146 + ... + 197937171.

It is an arithmetic number, because the mean of its divisors is an integer number (1385560113).

Almost surely, 2^5146366121 is an apocalyptic number.

It is an amenable number.

5146366121 is a deficient number, since it is larger than the sum of its proper divisors (395874331).

5146366121 is a wasteful number, since it uses less digits than its factorization.

5146366121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395874330.

The product of its digits is 25920, while the sum is 35.

The square root of 5146366121 is about 71738.1775695480. The cubic root of 5146366121 is about 1726.5012341607.

The spelling of 5146366121 in words is "five billion, one hundred forty-six million, three hundred sixty-six thousand, one hundred twenty-one".