10692618781849 has 27 divisors (see below), whose sum is σ = 11483457571647. Its totient is φ = 9954743174928.

The previous prime is 10692618781777. The next prime is 10692618781861. The reversal of 10692618781849 is 94818781629601.

The square root of 10692618781849 is 3269957.

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

10692618781849 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 10677961321225 + 14657460624 = 3267715^2 + 121068^2 .

It is not a de Polignac number, because 10692618781849 - 2⁷ = 10692618781721 is a prime.

It is a super-2 number, since 2×10692618781849² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10692618781049) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 3665620339 + ... + 3665623255.

Almost surely, 2^{10692618781849} is an apocalyptic number.

10692618781849 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

10692618781849 is the 3269957-th square number.

10692618781849 is the 1634979-th centered octagonal number.

It is an amenable number.

10692618781849 is a deficient number, since it is larger than the sum of its proper divisors (790838789798).

10692618781849 is an frugal number, since it uses more digits than its factorization.

10692618781849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5990 (or 2995 counting only the distinct ones).

The product of its (nonzero) digits is 83607552, while the sum is 70.

The spelling of 10692618781849 in words is "ten trillion, six hundred ninety-two billion, six hundred eighteen million, seven hundred eighty-one thousand, eight hundred forty-nine".