2108986352986 has 8 divisors (see below), whose sum is σ = 3163805791380. Its totient is φ = 1054384422528.

The previous prime is 2108986352983. The next prime is 2108986352999. The reversal of 2108986352986 is 6892536898012.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1852813714761 + 256172638225 = 1361181^2 + 506135^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2108986352986² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2108986352983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54352741 + ... + 54391528.

Almost surely, 2^{2108986352986} is an apocalyptic number.

2108986352986 is a deficient number, since it is larger than the sum of its proper divisors (1054819438394).

2108986352986 is a wasteful number, since it uses less digits than its factorization.

2108986352986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108753968.

The product of its (nonzero) digits is 89579520, while the sum is 67.

The spelling of 2108986352986 in words is "two trillion, one hundred eight billion, nine hundred eighty-six million, three hundred fifty-two thousand, nine hundred eighty-six".