4811143938 has 16 divisors (see below), whose sum is σ = 10128724320. Its totient is φ = 1519308576.

The previous prime is 4811143927. The next prime is 4811143963. The reversal of 4811143938 is 8393411184.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 4811143938.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21101395 + ... + 21101622.

It is an arithmetic number, because the mean of its divisors is an integer number (633045270).

Almost surely, 2^4811143938 is an apocalyptic number.

4811143938 is an abundant number, since it is smaller than the sum of its proper divisors (5317580382).

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

4811143938 is a wasteful number, since it uses less digits than its factorization.

4811143938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42203041.

The product of its digits is 82944, while the sum is 42.

The square root of 4811143938 is about 69362.4101224864. The cubic root of 4811143938 is about 1688.1697607189.

The spelling of 4811143938 in words is "four billion, eight hundred eleven million, one hundred forty-three thousand, nine hundred thirty-eight".