2141263556 has 12 divisors (see below), whose sum is σ = 3848487468. Its totient is φ = 1041695712.

The previous prime is 2141263483. The next prime is 2141263559. The reversal of 2141263556 is 6553621412.

It can be written as a sum of positive squares in 2 ways, for example, as 804629956 + 1336633600 = 28366^2 + 36560^2 .

It is not an unprimeable number, because it can be changed into a prime (2141263559) 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, 7233851 + ... + 7234146.

It is an arithmetic number, because the mean of its divisors is an integer number (320707289).

Almost surely, 2^2141263556 is an apocalyptic number.

It is an amenable number.

2141263556 is a deficient number, since it is larger than the sum of its proper divisors (1707223912).

2141263556 is a wasteful number, since it uses less digits than its factorization.

2141263556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14468038 (or 14468036 counting only the distinct ones).

The product of its digits is 43200, while the sum is 35.

The square root of 2141263556 is about 46273.7890819414. The cubic root of 2141263556 is about 1288.9123207536.

Adding to 2141263556 its reverse (6553621412), we get a palindrome (8694884968).

The spelling of 2141263556 in words is "two billion, one hundred forty-one million, two hundred sixty-three thousand, five hundred fifty-six".