6753079621 has 2 divisors, whose sum is σ = 6753079622. Its totient is φ = 6753079620.

The previous prime is 6753079607. The next prime is 6753079633. The reversal of 6753079621 is 1269703576.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6007025025 + 746054596 = 77505^2 + 27314^2 .

It is a cyclic number.

It is not a de Polignac number, because 6753079621 - 2⁷ = 6753079493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6753079651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3376539810 + 3376539811.

It is an arithmetic number, because the mean of its divisors is an integer number (3376539811).

Almost surely, 2^6753079621 is an apocalyptic number.

It is an amenable number.

6753079621 is a deficient number, since it is larger than the sum of its proper divisors (1).

6753079621 is an equidigital number, since it uses as much as digits as its factorization.

6753079621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 476280, while the sum is 46.

The square root of 6753079621 is about 82177.1234651104. The cubic root of 6753079621 is about 1890.1689444268.

The spelling of 6753079621 in words is "six billion, seven hundred fifty-three million, seventy-nine thousand, six hundred twenty-one".