63463969 has 4 divisors (see below), whose sum is σ = 66223296. Its totient is φ = 60704644.

The previous prime is 63463943. The next prime is 63463987. The reversal of 63463969 is 96936436.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 63463969 - 2¹¹ = 63461921 is a prime.

It is a super-2 number, since 2×63463969² = 8055350722465922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63463909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1379629 + ... + 1379674.

It is an arithmetic number, because the mean of its divisors is an integer number (16555824).

Almost surely, 2^63463969 is an apocalyptic number.

It is an amenable number.

63463969 is a deficient number, since it is larger than the sum of its proper divisors (2759327).

63463969 is a wasteful number, since it uses less digits than its factorization.

63463969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2759326.

The product of its digits is 629856, while the sum is 46.

The square root of 63463969 is about 7966.4276184498. The cubic root of 63463969 is about 398.8801364399.

The spelling of 63463969 in words is "sixty-three million, four hundred sixty-three thousand, nine hundred sixty-nine".