357689578258489 has 9 divisors (see below), whose sum is σ = 358600356491727. Its totient is φ = 356781107530584.

The previous prime is 357689578258469. The next prime is 357689578258511. The reversal of 357689578258489 is 984852875986753.

It is a happy number.

The square root of 357689578258489 is 18912683.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 239713225155625 + 117976353102864 = 15482675^2 + 10861692^2 .

It is not a de Polignac number, because 357689578258489 - 2⁵ = 357689578258457 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 357689578258397 and 357689578258406.

It is not an unprimeable number, because it can be changed into a prime (357689578258469) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 7508311332 + ... + 7508358970.

Almost surely, 2^{357689578258489} is an apocalyptic number.

357689578258489 is the 18912683-rd square number.

357689578258489 is the 9456342-nd centered octagonal number.

It is an amenable number.

357689578258489 is a deficient number, since it is larger than the sum of its proper divisors (910778233238).

357689578258489 is an frugal number, since it uses more digits than its factorization.

357689578258489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96072 (or 48036 counting only the distinct ones).

The product of its digits is 292626432000, while the sum is 94.

The spelling of 357689578258489 in words is "three hundred fifty-seven trillion, six hundred eighty-nine billion, five hundred seventy-eight million, two hundred fifty-eight thousand, four hundred eighty-nine".