2101450534 has 4 divisors (see below), whose sum is σ = 3152175804. Its totient is φ = 1050725266.

The previous prime is 2101450501. The next prime is 2101450553. The reversal of 2101450534 is 4350541012.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 2101450499 and 2101450508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525362632 + ... + 525362635.

It is an arithmetic number, because the mean of its divisors is an integer number (788043951).

Almost surely, 2^2101450534 is an apocalyptic number.

2101450534 is a deficient number, since it is larger than the sum of its proper divisors (1050725270).

2101450534 is a wasteful number, since it uses less digits than its factorization.

2101450534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1050725269.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 2101450534 is about 45841.5808409789. The cubic root of 2101450534 is about 1280.8739421462.

Adding to 2101450534 its reverse (4350541012), we get a palindrome (6451991546).

The spelling of 2101450534 in words is "two billion, one hundred one million, four hundred fifty thousand, five hundred thirty-four".