2689766098 has 4 divisors (see below), whose sum is σ = 4034649150. Its totient is φ = 1344883048.

The previous prime is 2689766087. The next prime is 2689766117. The reversal of 2689766098 is 8906679862.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2461846689 + 227919409 = 49617^2 + 15097^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672441523 + ... + 672441526.

Almost surely, 2^2689766098 is an apocalyptic number.

2689766098 is a deficient number, since it is larger than the sum of its proper divisors (1344883052).

2689766098 is a wasteful number, since it uses less digits than its factorization.

2689766098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1344883051.

The product of its (nonzero) digits is 15676416, while the sum is 61.

The square root of 2689766098 is about 51862.9549678766. The cubic root of 2689766098 is about 1390.7151053599.

The spelling of 2689766098 in words is "two billion, six hundred eighty-nine million, seven hundred sixty-six thousand, ninety-eight".