28601571457453 has 2 divisors, whose sum is σ = 28601571457454. Its totient is φ = 28601571457452.

The previous prime is 28601571457451. The next prime is 28601571457531. The reversal of 28601571457453 is 35475417510682.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24668973103369 + 3932598354084 = 4966787^2 + 1983078^2 .

It is a cyclic number.

It is not a de Polignac number, because 28601571457453 - 2¹ = 28601571457451 is a prime.

Together with 28601571457451, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28601571457451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14300785728726 + 14300785728727.

It is an arithmetic number, because the mean of its divisors is an integer number (14300785728727).

Almost surely, 2^{28601571457453} is an apocalyptic number.

It is an amenable number.

28601571457453 is a deficient number, since it is larger than the sum of its proper divisors (1).

28601571457453 is an equidigital number, since it uses as much as digits as its factorization.

28601571457453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28224000, while the sum is 58.

The spelling of 28601571457453 in words is "twenty-eight trillion, six hundred one billion, five hundred seventy-one million, four hundred fifty-seven thousand, four hundred fifty-three".