3546735421 has 2 divisors, whose sum is σ = 3546735422. Its totient is φ = 3546735420.

The previous prime is 3546735391. The next prime is 3546735457. The reversal of 3546735421 is 1245376453.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3319027321 + 227708100 = 57611^2 + 15090^2 .

It is a cyclic number.

It is not a de Polignac number, because 3546735421 - 2¹³ = 3546727229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3546735481) 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, 1773367710 + 1773367711.

It is an arithmetic number, because the mean of its divisors is an integer number (1773367711).

Almost surely, 2^3546735421 is an apocalyptic number.

It is an amenable number.

3546735421 is a deficient number, since it is larger than the sum of its proper divisors (1).

3546735421 is an equidigital number, since it uses as much as digits as its factorization.

3546735421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 302400, while the sum is 40.

The square root of 3546735421 is about 59554.4743994941. The cubic root of 3546735421 is about 1525.0225450040.

The spelling of 3546735421 in words is "three billion, five hundred forty-six million, seven hundred thirty-five thousand, four hundred twenty-one".