63099491 has 8 divisors (see below), whose sum is σ = 77661024. Its totient is φ = 49924800.

The previous prime is 63099481. The next prime is 63099503. The reversal of 63099491 is 19499036.

63099491 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63099491 is a prime.

It is a super-3 number, since 3×63099491³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (63099401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 346610 + ... + 346791.

It is an arithmetic number, because the mean of its divisors is an integer number (9707628).

Almost surely, 2^63099491 is an apocalyptic number.

63099491 is a deficient number, since it is larger than the sum of its proper divisors (14561533).

63099491 is a wasteful number, since it uses less digits than its factorization.

63099491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693421.

The product of its (nonzero) digits is 52488, while the sum is 41.

The square root of 63099491 is about 7943.5188046608. The cubic root of 63099491 is about 398.1150711436.

The spelling of 63099491 in words is "sixty-three million, ninety-nine thousand, four hundred ninety-one".