4749212861 has 4 divisors (see below), whose sum is σ = 4783380000. Its totient is φ = 4715045724.

The previous prime is 4749212821. The next prime is 4749212911. The reversal of 4749212861 is 1682129474.

4749212861 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4749212861 - 2²² = 4745018557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4749212801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17083361 + ... + 17083638.

It is an arithmetic number, because the mean of its divisors is an integer number (1195845000).

Almost surely, 2^4749212861 is an apocalyptic number.

It is an amenable number.

4749212861 is a deficient number, since it is larger than the sum of its proper divisors (34167139).

4749212861 is a wasteful number, since it uses less digits than its factorization.

4749212861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34167138.

The product of its digits is 193536, while the sum is 44.

The square root of 4749212861 is about 68914.5330173542. The cubic root of 4749212861 is about 1680.8948441661.

The spelling of 4749212861 in words is "four billion, seven hundred forty-nine million, two hundred twelve thousand, eight hundred sixty-one".