63438363 has 8 divisors (see below), whose sum is σ = 93982800. Its totient is φ = 42292224.

The previous prime is 63438337. The next prime is 63438409. The reversal of 63438363 is 36383436.

It is a happy number.

It is not a de Polignac number, because 63438363 - 2⁶ = 63438299 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (63436363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1174758 + ... + 1174811.

It is an arithmetic number, because the mean of its divisors is an integer number (11747850).

Almost surely, 2^63438363 is an apocalyptic number.

63438363 is a deficient number, since it is larger than the sum of its proper divisors (30544437).

63438363 is a wasteful number, since it uses less digits than its factorization.

63438363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2349578 (or 2349572 counting only the distinct ones).

The product of its digits is 93312, while the sum is 36.

The square root of 63438363 is about 7964.8203369568. The cubic root of 63438363 is about 398.8264834307.

It can be divided in two parts, 6343 and 8363, that added together give a triangular number (14706 = T₁₇₁).

The spelling of 63438363 in words is "sixty-three million, four hundred thirty-eight thousand, three hundred sixty-three".