63434516 has 6 divisors (see below), whose sum is σ = 111010410. Its totient is φ = 31717256.

The previous prime is 63434479. The next prime is 63434533. The reversal of 63434516 is 61543436.

It can be written as a sum of positive squares in only one way, i.e., 60777616 + 2656900 = 7796^2 + 1630^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7929311 + ... + 7929318.

It is an arithmetic number, because the mean of its divisors is an integer number (18501735).

Almost surely, 2^63434516 is an apocalyptic number.

It is an amenable number.

63434516 is a deficient number, since it is larger than the sum of its proper divisors (47575894).

63434516 is a wasteful number, since it uses less digits than its factorization.

63434516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15858633 (or 15858631 counting only the distinct ones).

The product of its digits is 25920, while the sum is 32.

The square root of 63434516 is about 7964.5788338116. The cubic root of 63434516 is about 398.8184214504.

The spelling of 63434516 in words is "sixty-three million, four hundred thirty-four thousand, five hundred sixteen".