63871429 has 2 divisors, whose sum is σ = 63871430. Its totient is φ = 63871428.

The previous prime is 63871411. The next prime is 63871447. The reversal of 63871429 is 92417836.

It is a balanced prime because it is at equal distance from previous prime (63871411) and next prime (63871447).

It can be written as a sum of positive squares in only one way, i.e., 63840100 + 31329 = 7990^2 + 177^2 .

It is a cyclic number.

It is not a de Polignac number, because 63871429 - 2²³ = 55482821 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 63871391 and 63871400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63871459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31935714 + 31935715.

It is an arithmetic number, because the mean of its divisors is an integer number (31935715).

Almost surely, 2^63871429 is an apocalyptic number.

It is an amenable number.

63871429 is a deficient number, since it is larger than the sum of its proper divisors (1).

63871429 is an equidigital number, since it uses as much as digits as its factorization.

63871429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 40.

The square root of 63871429 is about 7991.9602726740. The cubic root of 63871429 is about 399.7319641821.

The spelling of 63871429 in words is "sixty-three million, eight hundred seventy-one thousand, four hundred twenty-nine".