63962641 has 8 divisors (see below), whose sum is σ = 66138624. Its totient is φ = 61793760.

The previous prime is 63962621. The next prime is 63962651. The reversal of 63962641 is 14626936.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 63962641 - 2²³ = 55574033 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 63962641.

It is not an unprimeable number, because it can be changed into a prime (63962611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21645 + ... + 24421.

It is an arithmetic number, because the mean of its divisors is an integer number (8267328).

Almost surely, 2^63962641 is an apocalyptic number.

It is an amenable number.

63962641 is a deficient number, since it is larger than the sum of its proper divisors (2175983).

63962641 is a wasteful number, since it uses less digits than its factorization.

63962641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3551.

The product of its digits is 46656, while the sum is 37.

The square root of 63962641 is about 7997.6647216547. The cubic root of 63962641 is about 399.9221536008.

The spelling of 63962641 in words is "sixty-three million, nine hundred sixty-two thousand, six hundred forty-one".