3506424421 has 2 divisors, whose sum is σ = 3506424422. Its totient is φ = 3506424420.

The previous prime is 3506424409. The next prime is 3506424433. The reversal of 3506424421 is 1244246053.

It is a balanced prime because it is at equal distance from previous prime (3506424409) and next prime (3506424433).

It can be written as a sum of positive squares in only one way, i.e., 3439822500 + 66601921 = 58650^2 + 8161^2 .

It is an emirp because it is prime and its reverse (1244246053) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3506424421 - 2⁹ = 3506423909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3506424821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1753212210 + 1753212211.

It is an arithmetic number, because the mean of its divisors is an integer number (1753212211).

Almost surely, 2^3506424421 is an apocalyptic number.

It is an amenable number.

3506424421 is a deficient number, since it is larger than the sum of its proper divisors (1).

3506424421 is an equidigital number, since it uses as much as digits as its factorization.

3506424421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 3506424421 is about 59215.0692053974. The cubic root of 3506424421 is about 1519.2228860309. Note that the first 3 decimals are identical.

The spelling of 3506424421 in words is "three billion, five hundred six million, four hundred twenty-four thousand, four hundred twenty-one".