63409364 has 6 divisors (see below), whose sum is σ = 110966394. Its totient is φ = 31704680.

The previous prime is 63409349. The next prime is 63409373. The reversal of 63409364 is 46390436.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 42797764 + 20611600 = 6542^2 + 4540^2 .

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, 7926167 + ... + 7926174.

It is an arithmetic number, because the mean of its divisors is an integer number (18494399).

Almost surely, 2^63409364 is an apocalyptic number.

It is an amenable number.

63409364 is a deficient number, since it is larger than the sum of its proper divisors (47557030).

63409364 is a wasteful number, since it uses less digits than its factorization.

63409364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15852345 (or 15852343 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 35.

The square root of 63409364 is about 7962.9996860480. Note that the first 3 decimals coincide. The cubic root of 63409364 is about 398.7657035315.

The spelling of 63409364 in words is "sixty-three million, four hundred nine thousand, three hundred sixty-four".