221411707025453 has 8 divisors (see below), whose sum is σ = 254594355494208. Its totient is φ = 188617159708704.

The previous prime is 221411707025429. The next prime is 221411707025473. The reversal of 221411707025453 is 354520707114122.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-221411707025453 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 (221411707025473) 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, 97025286776 + ... + 97025289057.

It is an arithmetic number, because the mean of its divisors is an integer number (31824294436776).

Almost surely, 2^{221411707025453} is an apocalyptic number.

It is an amenable number.

221411707025453 is a deficient number, since it is larger than the sum of its proper divisors (33182648468755).

221411707025453 is a wasteful number, since it uses less digits than its factorization.

221411707025453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194050576003.

The product of its (nonzero) digits is 470400, while the sum is 44.

The spelling of 221411707025453 in words is "two hundred twenty-one trillion, four hundred eleven billion, seven hundred seven million, twenty-five thousand, four hundred fifty-three".