354355455269 has 2 divisors, whose sum is σ = 354355455270. Its totient is φ = 354355455268.

The previous prime is 354355455193. The next prime is 354355455281. The reversal of 354355455269 is 962554553453.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 245359734244 + 108995721025 = 495338^2 + 330145^2 .

It is a cyclic number.

It is not a de Polignac number, because 354355455269 - 2¹² = 354355451173 is a prime.

It is a super-2 number, since 2×354355455269² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (354355455169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177177727634 + 177177727635.

It is an arithmetic number, because the mean of its divisors is an integer number (177177727635).

Almost surely, 2^354355455269 is an apocalyptic number.

It is an amenable number.

354355455269 is a deficient number, since it is larger than the sum of its proper divisors (1).

354355455269 is an equidigital number, since it uses as much as digits as its factorization.

354355455269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48600000, while the sum is 56.

The spelling of 354355455269 in words is "three hundred fifty-four billion, three hundred fifty-five million, four hundred fifty-five thousand, two hundred sixty-nine".