63439270471 has 2 divisors, whose sum is σ = 63439270472. Its totient is φ = 63439270470.

The previous prime is 63439270459. The next prime is 63439270541. The reversal of 63439270471 is 17407293436.

63439270471 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63439270471 - 2¹¹ = 63439268423 is a prime.

It is a super-3 number, since 3×63439270471³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63439279471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31719635235 + 31719635236.

It is an arithmetic number, because the mean of its divisors is an integer number (31719635236).

Almost surely, 2^63439270471 is an apocalyptic number.

63439270471 is a deficient number, since it is larger than the sum of its proper divisors (1).

63439270471 is an equidigital number, since it uses as much as digits as its factorization.

63439270471 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 762048, while the sum is 46.

The spelling of 63439270471 in words is "sixty-three billion, four hundred thirty-nine million, two hundred seventy thousand, four hundred seventy-one".