2120634120453 has 8 divisors (see below), whose sum is σ = 2831369615328. Its totient is φ = 1411827352944.

The previous prime is 2120634120439. The next prime is 2120634120487. The reversal of 2120634120453 is 3540214360212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-2120634120453 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120634120403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 482179275 + ... + 482183672.

It is an arithmetic number, because the mean of its divisors is an integer number (353921201916).

Almost surely, 2^{2120634120453} is an apocalyptic number.

It is an amenable number.

2120634120453 is a deficient number, since it is larger than the sum of its proper divisors (710735494875).

2120634120453 is an equidigital number, since it uses as much as digits as its factorization.

2120634120453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 964363683.

The product of its (nonzero) digits is 34560, while the sum is 33.

Adding to 2120634120453 its reverse (3540214360212), we get a palindrome (5660848480665).

The spelling of 2120634120453 in words is "two trillion, one hundred twenty billion, six hundred thirty-four million, one hundred twenty thousand, four hundred fifty-three".