63953434 has 8 divisors (see below), whose sum is σ = 99024768. Its totient is φ = 30945180.

The previous prime is 63953431. The next prime is 63953453. The reversal of 63953434 is 43435936.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 63953393 and 63953402.

It is not an unprimeable number, because it can be changed into a prime (63953431) 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, 515692 + ... + 515815.

It is an arithmetic number, because the mean of its divisors is an integer number (12378096).

Almost surely, 2^63953434 is an apocalyptic number.

63953434 is a deficient number, since it is larger than the sum of its proper divisors (35071334).

63953434 is a wasteful number, since it uses less digits than its factorization.

63953434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1031540.

The product of its digits is 116640, while the sum is 37.

The square root of 63953434 is about 7997.0890954147. The cubic root of 63953434 is about 399.9029639619.

The spelling of 63953434 in words is "sixty-three million, nine hundred fifty-three thousand, four hundred thirty-four".