5349709921 has 2 divisors, whose sum is σ = 5349709922. Its totient is φ = 5349709920.

The previous prime is 5349709907. The next prime is 5349709933. The reversal of 5349709921 is 1299079435.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5055210000 + 294499921 = 71100^2 + 17161^2 .

It is a cyclic number.

It is not a de Polignac number, because 5349709921 - 2²³ = 5341321313 is a prime.

It is not a weakly prime, because it can be changed into another prime (5349709951) 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 as a sum of consecutive naturals, namely, 2674854960 + 2674854961.

It is an arithmetic number, because the mean of its divisors is an integer number (2674854961).

Almost surely, 2^5349709921 is an apocalyptic number.

It is an amenable number.

5349709921 is a deficient number, since it is larger than the sum of its proper divisors (1).

5349709921 is an equidigital number, since it uses as much as digits as its factorization.

5349709921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 612360, while the sum is 49.

The square root of 5349709921 is about 73141.7112255381. The cubic root of 5349709921 is about 1748.9473855980.

The spelling of 5349709921 in words is "five billion, three hundred forty-nine million, seven hundred nine thousand, nine hundred twenty-one".