4519221312 has 28 divisors (see below), whose sum is σ = 11957106896. Its totient is φ = 1506407040.

The previous prime is 4519221281. The next prime is 4519221337. The reversal of 4519221312 is 2131229154.

It is a super-2 number, since 2×4519221312² = 40846722533670002688, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4519221312.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11768614 + ... + 11768997.

It is an arithmetic number, because the mean of its divisors is an integer number (427039532).

Almost surely, 2^4519221312 is an apocalyptic number.

It is an amenable number.

4519221312 is an abundant number, since it is smaller than the sum of its proper divisors (7437885584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4519221312 is a wasteful number, since it uses less digits than its factorization.

4519221312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23537626 (or 23537616 counting only the distinct ones).

The product of its digits is 4320, while the sum is 30.

The square root of 4519221312 is about 67225.1538637138. The cubic root of 4519221312 is about 1653.3109289946.

The spelling of 4519221312 in words is "four billion, five hundred nineteen million, two hundred twenty-one thousand, three hundred twelve".