5213121049 has 8 divisors (see below), whose sum is σ = 5232392000. Its totient is φ = 5193884592.

The previous prime is 5213121007. The next prime is 5213121071. The reversal of 5213121049 is 9401213125.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5213121049 - 2¹³ = 5213112857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5213121079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 316387 + ... + 332455.

It is an arithmetic number, because the mean of its divisors is an integer number (654049000).

Almost surely, 2^5213121049 is an apocalyptic number.

It is an amenable number.

5213121049 is a deficient number, since it is larger than the sum of its proper divisors (19270951).

5213121049 is a wasteful number, since it uses less digits than its factorization.

5213121049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17247.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 5213121049 is about 72201.9462964815. The cubic root of 5213121049 is about 1733.9341618732.

The spelling of 5213121049 in words is "five billion, two hundred thirteen million, one hundred twenty-one thousand, forty-nine".