2101340452 has 6 divisors (see below), whose sum is σ = 3677345798. Its totient is φ = 1050670224.

The previous prime is 2101340447. The next prime is 2101340489. The reversal of 2101340452 is 2540431012.

It can be written as a sum of positive squares in only one way, i.e., 1912662756 + 188677696 = 43734^2 + 13736^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262667553 + ... + 262667560.

Almost surely, 2^2101340452 is an apocalyptic number.

It is an amenable number.

2101340452 is a deficient number, since it is larger than the sum of its proper divisors (1576005346).

2101340452 is a wasteful number, since it uses less digits than its factorization.

2101340452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525335117 (or 525335115 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 2101340452 is about 45840.3801467658. The cubic root of 2101340452 is about 1280.8515760670.

Adding to 2101340452 its reverse (2540431012), we get a palindrome (4641771464).

The spelling of 2101340452 in words is "two billion, one hundred one million, three hundred forty thousand, four hundred fifty-two".