6211021442 has 4 divisors (see below), whose sum is σ = 9316532166. Its totient is φ = 3105510720.

The previous prime is 6211021423. The next prime is 6211021459. The reversal of 6211021442 is 2441201126.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 5875069201 + 335952241 = 76649^2 + 18329^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1552755359 + ... + 1552755362.

Almost surely, 2^6211021442 is an apocalyptic number.

6211021442 is a deficient number, since it is larger than the sum of its proper divisors (3105510724).

6211021442 is a wasteful number, since it uses less digits than its factorization.

6211021442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3105510723.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 6211021442 is about 78810.0338916308. The cubic root of 6211021442 is about 1838.1784748088.

Adding to 6211021442 its reverse (2441201126), we get a palindrome (8652222568).

The spelling of 6211021442 in words is "six billion, two hundred eleven million, twenty-one thousand, four hundred forty-two".