4921543012 has 48 divisors (see below), whose sum is σ = 9154349568. Its totient is φ = 2311061760.

The previous prime is 4921542971. The next prime is 4921543019. The reversal of 4921543012 is 2103451294.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (4921543019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2141448 + ... + 2143744.

It is an arithmetic number, because the mean of its divisors is an integer number (190715616).

Almost surely, 2^4921543012 is an apocalyptic number.

It is an amenable number.

4921543012 is a deficient number, since it is larger than the sum of its proper divisors (4232806556).

4921543012 is a wasteful number, since it uses less digits than its factorization.

4921543012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2836 (or 2834 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 4921543012 is about 70153.7098947732. The cubic root of 4921543012 is about 1700.9847825930.

The spelling of 4921543012 in words is "four billion, nine hundred twenty-one million, five hundred forty-three thousand, twelve".