4551998012 has 12 divisors (see below), whose sum is σ = 8066832480. Its totient is φ = 2247188736.

The previous prime is 4551997997. The next prime is 4551998027. The reversal of 4551998012 is 2108991554.

It is an interprime number because it is at equal distance from previous prime (4551997997) and next prime (4551998027).

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 7202213 + ... + 7202844.

It is an arithmetic number, because the mean of its divisors is an integer number (672236040).

Almost surely, 2^4551998012 is an apocalyptic number.

It is an amenable number.

4551998012 is a deficient number, since it is larger than the sum of its proper divisors (3514834468).

4551998012 is a wasteful number, since it uses less digits than its factorization.

4551998012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14405140 (or 14405138 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 44.

The square root of 4551998012 is about 67468.4964409316. The cubic root of 4551998012 is about 1657.2983115717.

The spelling of 4551998012 in words is "four billion, five hundred fifty-one million, nine hundred ninety-eight thousand, twelve".