2689101066242 has 8 divisors (see below), whose sum is σ = 4033712447100. Its totient is φ = 1344530250544.

The previous prime is 2689101066221. The next prime is 2689101066263. The reversal of 2689101066242 is 2426601019862.

It is an interprime number because it is at equal distance from previous prime (2689101066221) and next prime (2689101066263).

It can be written as a sum of positive squares in 2 ways, for example, as 2535702727321 + 153398338921 = 1592389^2 + 391661^2 .

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

It is a super-2 number, since 2×2689101066242² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9975017 + ... + 10241052.

Almost surely, 2^{2689101066242} is an apocalyptic number.

2689101066242 is a deficient number, since it is larger than the sum of its proper divisors (1344611380858).

2689101066242 is a wasteful number, since it uses less digits than its factorization.

2689101066242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20282580.

The product of its (nonzero) digits is 497664, while the sum is 47.

The spelling of 2689101066242 in words is "two trillion, six hundred eighty-nine billion, one hundred one million, sixty-six thousand, two hundred forty-two".