63474899492 has 12 divisors (see below), whose sum is σ = 111431489820. Its totient is φ = 31637330976.

The previous prime is 63474899491. The next prime is 63474899549. The reversal of 63474899492 is 29499847436.

It can be written as a sum of positive squares in 2 ways, for example, as 32802280996 + 30672618496 = 181114^2 + 175136^2 .

It is not an unprimeable number, because it can be changed into a prime (63474899491) 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 3 ways as a sum of consecutive naturals, for example, 25028267 + ... + 25030802.

It is an arithmetic number, because the mean of its divisors is an integer number (9285957485).

Almost surely, 2^63474899492 is an apocalyptic number.

It is an amenable number.

63474899492 is a deficient number, since it is larger than the sum of its proper divisors (47956590328).

63474899492 is a wasteful number, since it uses less digits than its factorization.

63474899492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50059390 (or 50059388 counting only the distinct ones).

The product of its digits is 94058496, while the sum is 65.

The spelling of 63474899492 in words is "sixty-three billion, four hundred seventy-four million, eight hundred ninety-nine thousand, four hundred ninety-two".