354453505354447 has 2 divisors, whose sum is σ = 354453505354448. Its totient is φ = 354453505354446.

The previous prime is 354453505354411. The next prime is 354453505354469. The reversal of 354453505354447 is 744453505354453.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 354453505354447 - 2¹¹ = 354453505352399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (354453505354747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177226752677223 + 177226752677224.

It is an arithmetic number, because the mean of its divisors is an integer number (177226752677224).

Almost surely, 2^{354453505354447} is an apocalyptic number.

354453505354447 is a deficient number, since it is larger than the sum of its proper divisors (1).

354453505354447 is an equidigital number, since it uses as much as digits as its factorization.

354453505354447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 604800000, while the sum is 61.

The spelling of 354453505354447 in words is "three hundred fifty-four trillion, four hundred fifty-three billion, five hundred five million, three hundred fifty-four thousand, four hundred forty-seven".