2143551044 has 48 divisors (see below), whose sum is σ = 4072864320. Its totient is φ = 983664000.

The previous prime is 2143551031. The next prime is 2143551071. The reversal of 2143551044 is 4401553412.

It is a super-2 number, since 2×2143551044² = 9189622156466979872, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2143550998 and 2143551016.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 704294 + ... + 707330.

It is an arithmetic number, because the mean of its divisors is an integer number (84851340).

Almost surely, 2^2143551044 is an apocalyptic number.

It is an amenable number.

2143551044 is a deficient number, since it is larger than the sum of its proper divisors (1929313276).

2143551044 is a wasteful number, since it uses less digits than its factorization.

2143551044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3348 (or 3346 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 2143551044 is about 46298.4993709299. The cubic root of 2143551044 is about 1289.3711343012.

The spelling of 2143551044 in words is "two billion, one hundred forty-three million, five hundred fifty-one thousand, forty-four".