354444505444453 has 2 divisors, whose sum is σ = 354444505444454. Its totient is φ = 354444505444452.

The previous prime is 354444505444439. The next prime is 354444505444489.

354444505444453 is nontrivially palindromic in base 10.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 294698438569089 + 59746066875364 = 17166783^2 + 7729558^2 .

It is a palprime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-354444505444453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (354444505444853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177222252722226 + 177222252722227.

It is an arithmetic number, because the mean of its divisors is an integer number (177222252722227).

Almost surely, 2^{354444505444453} is an apocalyptic number.

It is an amenable number.

354444505444453 is a deficient number, since it is larger than the sum of its proper divisors (1).

354444505444453 is an equidigital number, since it uses as much as digits as its factorization.

354444505444453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 368640000, while the sum is 58.

The spelling of 354444505444453 in words is "three hundred fifty-four trillion, four hundred forty-four billion, five hundred five million, four hundred forty-four thousand, four hundred fifty-three".