354585828697 has 2 divisors, whose sum is σ = 354585828698. Its totient is φ = 354585828696.

The previous prime is 354585828613. The next prime is 354585828721. The reversal of 354585828697 is 796828585453.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 310355953216 + 44229875481 = 557096^2 + 210309^2 .

It is a cyclic number.

It is not a de Polignac number, because 354585828697 - 2²⁷ = 354451610969 is a prime.

It is a super-2 number, since 2×354585828697² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (354585828607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177292914348 + 177292914349.

It is an arithmetic number, because the mean of its divisors is an integer number (177292914349).

Almost surely, 2^354585828697 is an apocalyptic number.

It is an amenable number.

354585828697 is a deficient number, since it is larger than the sum of its proper divisors (1).

354585828697 is an equidigital number, since it uses as much as digits as its factorization.

354585828697 is an evil number, because the sum of its binary digits is even.

The product of its digits is 580608000, while the sum is 70.

The spelling of 354585828697 in words is "three hundred fifty-four billion, five hundred eighty-five million, eight hundred twenty-eight thousand, six hundred ninety-seven".