2861181098 has 4 divisors (see below), whose sum is σ = 4291771650. Its totient is φ = 1430590548.

The previous prime is 2861181083. The next prime is 2861181119. The reversal of 2861181098 is 8901811682.

2861181098 is nontrivially palindromic in base 8.

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., 1794962689 + 1066218409 = 42367^2 + 32653^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 715295273 + ... + 715295276.

Almost surely, 2^2861181098 is an apocalyptic number.

2861181098 is a deficient number, since it is larger than the sum of its proper divisors (1430590552).

2861181098 is a wasteful number, since it uses less digits than its factorization.

2861181098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1430590551.

The product of its (nonzero) digits is 55296, while the sum is 44.

The square root of 2861181098 is about 53490.0093288457. The cubic root of 2861181098 is about 1419.6516202163.

The spelling of 2861181098 in words is "two billion, eight hundred sixty-one million, one hundred eighty-one thousand, ninety-eight".