63141479 has 4 divisors (see below), whose sum is σ = 63638784. Its totient is φ = 62644176.

The previous prime is 63141469. The next prime is 63141487. The reversal of 63141479 is 97414136.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63141479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63141409) 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, 248462 + ... + 248715.

It is an arithmetic number, because the mean of its divisors is an integer number (15909696).

Almost surely, 2^63141479 is an apocalyptic number.

63141479 is a deficient number, since it is larger than the sum of its proper divisors (497305).

63141479 is a wasteful number, since it uses less digits than its factorization.

63141479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497304.

The product of its digits is 18144, while the sum is 35.

The square root of 63141479 is about 7946.1612744771. The cubic root of 63141479 is about 398.2033568490.

The spelling of 63141479 in words is "sixty-three million, one hundred forty-one thousand, four hundred seventy-nine".