6521141063 has 2 divisors, whose sum is σ = 6521141064. Its totient is φ = 6521141062.

The previous prime is 6521140991. The next prime is 6521141071. The reversal of 6521141063 is 3601411256.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6521141063 - 2¹⁰ = 6521140039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6521141863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3260570531 + 3260570532.

It is an arithmetic number, because the mean of its divisors is an integer number (3260570532).

Almost surely, 2^6521141063 is an apocalyptic number.

6521141063 is a deficient number, since it is larger than the sum of its proper divisors (1).

6521141063 is an equidigital number, since it uses as much as digits as its factorization.

6521141063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 6521141063 is about 80753.5823539736. The cubic root of 6521141063 is about 1868.2767029660.

The spelling of 6521141063 in words is "six billion, five hundred twenty-one million, one hundred forty-one thousand, sixty-three".