6735055421 has 2 divisors, whose sum is σ = 6735055422. Its totient is φ = 6735055420.

The previous prime is 6735055403. The next prime is 6735055433. The reversal of 6735055421 is 1245505376.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6183463225 + 551592196 = 78635^2 + 23486^2 .

It is a cyclic number.

It is not a de Polignac number, because 6735055421 - 2²⁶ = 6667946557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6735055451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3367527710 + 3367527711.

It is an arithmetic number, because the mean of its divisors is an integer number (3367527711).

Almost surely, 2^6735055421 is an apocalyptic number.

It is an amenable number.

6735055421 is a deficient number, since it is larger than the sum of its proper divisors (1).

6735055421 is an equidigital number, since it uses as much as digits as its factorization.

6735055421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 126000, while the sum is 38.

The square root of 6735055421 is about 82067.3834175307. The cubic root of 6735055421 is about 1888.4858042757.

The spelling of 6735055421 in words is "six billion, seven hundred thirty-five million, fifty-five thousand, four hundred twenty-one".