63429479 has 2 divisors, whose sum is σ = 63429480. Its totient is φ = 63429478.

The previous prime is 63429473. The next prime is 63429491. The reversal of 63429479 is 97492436.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63429479 - 2⁴ = 63429463 is a prime.

It is a super-2 number, since 2×63429479² = 8046597612422882, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63429473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31714739 + 31714740.

It is an arithmetic number, because the mean of its divisors is an integer number (31714740).

Almost surely, 2^63429479 is an apocalyptic number.

63429479 is a deficient number, since it is larger than the sum of its proper divisors (1).

63429479 is an equidigital number, since it uses as much as digits as its factorization.

63429479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 326592, while the sum is 44.

The square root of 63429479 is about 7964.2626149569. The cubic root of 63429479 is about 398.8078651493.

The spelling of 63429479 in words is "sixty-three million, four hundred twenty-nine thousand, four hundred seventy-nine".