63919941 has 8 divisors (see below), whose sum is σ = 85333440. Its totient is φ = 42559872.

The previous prime is 63919937. The next prime is 63919963. The reversal of 63919941 is 14991936.

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

It is not a de Polignac number, because 63919941 - 2² = 63919937 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 63919893 and 63919902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63919931) 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, 10476 + ... + 15413.

It is an arithmetic number, because the mean of its divisors is an integer number (10666680).

Almost surely, 2^63919941 is an apocalyptic number.

It is an amenable number.

63919941 is a deficient number, since it is larger than the sum of its proper divisors (21413499).

63919941 is a wasteful number, since it uses less digits than its factorization.

63919941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26715.

The product of its digits is 52488, while the sum is 42.

The square root of 63919941 is about 7994.9947467150. The cubic root of 63919941 is about 399.8331408214.

The spelling of 63919941 in words is "sixty-three million, nine hundred nineteen thousand, nine hundred forty-one".