753421663 has 2 divisors, whose sum is σ = 753421664. Its totient is φ = 753421662.

The previous prime is 753421651. The next prime is 753421717. The reversal of 753421663 is 366124357.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 753421663 - 2⁵ = 753421631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (753421063) 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, 376710831 + 376710832.

It is an arithmetic number, because the mean of its divisors is an integer number (376710832).

Almost surely, 2^753421663 is an apocalyptic number.

753421663 is a deficient number, since it is larger than the sum of its proper divisors (1).

753421663 is an equidigital number, since it uses as much as digits as its factorization.

753421663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 37.

The square root of 753421663 is about 27448.5275197050. The cubic root of 753421663 is about 909.9398837234.

The spelling of 753421663 in words is "seven hundred fifty-three million, four hundred twenty-one thousand, six hundred sixty-three".