2101147634 has 4 divisors (see below), whose sum is σ = 3151721454. Its totient is φ = 1050573816.

The previous prime is 2101147627. The next prime is 2101147637. The reversal of 2101147634 is 4367411012.

It is a happy number.

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., 1921507225 + 179640409 = 43835^2 + 13403^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2101147597 and 2101147606.

It is not an unprimeable number, because it can be changed into a prime (2101147637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525286907 + ... + 525286910.

Almost surely, 2^2101147634 is an apocalyptic number.

2101147634 is a deficient number, since it is larger than the sum of its proper divisors (1050573820).

2101147634 is a wasteful number, since it uses less digits than its factorization.

2101147634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1050573819.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 2101147634 is about 45838.2769527826. The cubic root of 2101147634 is about 1280.8123980916.

Adding to 2101147634 its reverse (4367411012), we get a palindrome (6468558646).

The spelling of 2101147634 in words is "two billion, one hundred one million, one hundred forty-seven thousand, six hundred thirty-four".