63435479 has 2 divisors, whose sum is σ = 63435480. Its totient is φ = 63435478.

The previous prime is 63435473. The next prime is 63435503. The reversal of 63435479 is 97453436.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63435479 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63435473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31717739 + 31717740.

It is an arithmetic number, because the mean of its divisors is an integer number (31717740).

Almost surely, 2^63435479 is an apocalyptic number.

63435479 is a deficient number, since it is larger than the sum of its proper divisors (1).

63435479 is an equidigital number, since it uses as much as digits as its factorization.

63435479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 272160, while the sum is 41.

The square root of 63435479 is about 7964.6392887563. The cubic root of 63435479 is about 398.8204395956.

The spelling of 63435479 in words is "sixty-three million, four hundred thirty-five thousand, four hundred seventy-nine".