1086416389969 has 9 divisors (see below), whose sum is σ = 1122625974729. Its totient is φ = 1051339430580.

The previous prime is 1086416389913. The next prime is 1086416389979. The reversal of 1086416389969 is 9699836146801.

The square root of 1086416389969 is 1042313.

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

It is not a de Polignac number, because 1086416389969 - 2⁷ = 1086416389841 is a prime.

It is a super-2 number, since 2×1086416389969² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1086416389898 and 1086416389907.

It is not an unprimeable number, because it can be changed into a prime (1086416389979) 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, 32294892 + ... + 32328514.

Almost surely, 2^{1086416389969} is an apocalyptic number.

1086416389969 is the 1042313-rd square number.

1086416389969 is the 521157-th centered octagonal number.

It is an amenable number.

1086416389969 is a deficient number, since it is larger than the sum of its proper divisors (36209584760).

1086416389969 is an frugal number, since it uses more digits than its factorization.

1086416389969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67308 (or 33654 counting only the distinct ones).

The product of its (nonzero) digits is 120932352, while the sum is 70.

The spelling of 1086416389969 in words is "one trillion, eighty-six billion, four hundred sixteen million, three hundred eighty-nine thousand, nine hundred sixty-nine".