260121623441453 has 8 divisors (see below), whose sum is σ = 261559478795160. Its totient is φ = 258683775992640.

The previous prime is 260121623441441. The next prime is 260121623441483. The reversal of 260121623441453 is 354144326121062.

It can be written as a sum of positive squares in 4 ways, for example, as 925726849609 + 259195896591844 = 962147^2 + 16099562^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 260121623441453 - 2⁶ = 260121623441389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260121623441483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71559863 + ... + 75106971.

It is an arithmetic number, because the mean of its divisors is an integer number (32694934849395).

Almost surely, 2^{260121623441453} is an apocalyptic number.

It is an amenable number.

260121623441453 is a deficient number, since it is larger than the sum of its proper divisors (1437855353707).

260121623441453 is a wasteful number, since it uses less digits than its factorization.

260121623441453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3952447.

The product of its (nonzero) digits is 829440, while the sum is 44.

The spelling of 260121623441453 in words is "two hundred sixty trillion, one hundred twenty-one billion, six hundred twenty-three million, four hundred forty-one thousand, four hundred fifty-three".