354893231969 has 2 divisors, whose sum is σ = 354893231970. Its totient is φ = 354893231968.

The previous prime is 354893231947. The next prime is 354893232017. The reversal of 354893231969 is 969132398453.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 259807342369 + 95085889600 = 509713^2 + 308360^2 .

It is an emirp because it is prime and its reverse (969132398453) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 354893231969 - 2³² = 350598264673 is a prime.

It is a super-2 number, since 2×354893231969² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (354893231909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177446615984 + 177446615985.

It is an arithmetic number, because the mean of its divisors is an integer number (177446615985).

Almost surely, 2^354893231969 is an apocalyptic number.

It is an amenable number.

354893231969 is a deficient number, since it is larger than the sum of its proper divisors (1).

354893231969 is an equidigital number, since it uses as much as digits as its factorization.

354893231969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37791360, while the sum is 62.

The spelling of 354893231969 in words is "three hundred fifty-four billion, eight hundred ninety-three million, two hundred thirty-one thousand, nine hundred sixty-nine".