354533344493 has 2 divisors, whose sum is σ = 354533344494. Its totient is φ = 354533344492.

The previous prime is 354533344369. The next prime is 354533344499. The reversal of 354533344493 is 394443335453.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 353594351044 + 938993449 = 594638^2 + 30643^2 .

It is a cyclic number.

It is not a de Polignac number, because 354533344493 - 2²² = 354529150189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (354533344499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177266672246 + 177266672247.

It is an arithmetic number, because the mean of its divisors is an integer number (177266672247).

Almost surely, 2^354533344493 is an apocalyptic number.

It is an amenable number.

354533344493 is a deficient number, since it is larger than the sum of its proper divisors (1).

354533344493 is an equidigital number, since it uses as much as digits as its factorization.

354533344493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13996800, while the sum is 50.

The spelling of 354533344493 in words is "three hundred fifty-four billion, five hundred thirty-three million, three hundred forty-four thousand, four hundred ninety-three".