4919421512 has 16 divisors (see below), whose sum is σ = 9766498860. Its totient is φ = 2315021824.

The previous prime is 4919421503. The next prime is 4919421523. The reversal of 4919421512 is 2151249194.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4655878756 + 263542756 = 68234^2 + 16234^2 .

It is a super-2 number, since 2×4919421512² = 48401416025456732288, which contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 18085973 + ... + 18086244.

Almost surely, 2^4919421512 is an apocalyptic number.

It is an amenable number.

4919421512 is a deficient number, since it is larger than the sum of its proper divisors (4847077348).

4919421512 is a wasteful number, since it uses less digits than its factorization.

4919421512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36172240 (or 36172236 counting only the distinct ones).

The product of its digits is 25920, while the sum is 38.

The square root of 4919421512 is about 70138.5878956798. The cubic root of 4919421512 is about 1700.7403363662.

The spelling of 4919421512 in words is "four billion, nine hundred nineteen million, four hundred twenty-one thousand, five hundred twelve".