63279149 has 4 divisors (see below), whose sum is σ = 63563136. Its totient is φ = 62995164.

The previous prime is 63279137. The next prime is 63279163. The reversal of 63279149 is 94197236.

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 63279149 - 2¹⁶ = 63213613 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 (63279119) 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, 141659 + ... + 142104.

It is an arithmetic number, because the mean of its divisors is an integer number (15890784).

Almost surely, 2^63279149 is an apocalyptic number.

It is an amenable number.

63279149 is a deficient number, since it is larger than the sum of its proper divisors (283987).

63279149 is a wasteful number, since it uses less digits than its factorization.

63279149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283986.

The product of its digits is 81648, while the sum is 41.

The square root of 63279149 is about 7954.8192311328. The cubic root of 63279149 is about 398.4925532304.

The spelling of 63279149 in words is "sixty-three million, two hundred seventy-nine thousand, one hundred forty-nine".