2148812698 has 4 divisors (see below), whose sum is σ = 3223219050. Its totient is φ = 1074406348.

The previous prime is 2148812683. The next prime is 2148812717. The reversal of 2148812698 is 8962188412.

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., 1762572289 + 386240409 = 41983^2 + 19653^2 .

It is a super-2 number, since 2×2148812698² = 9234792022172078408, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 537203173 + ... + 537203176.

Almost surely, 2^2148812698 is an apocalyptic number.

2148812698 is a deficient number, since it is larger than the sum of its proper divisors (1074406352).

2148812698 is a wasteful number, since it uses less digits than its factorization.

2148812698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1074406351.

The product of its digits is 442368, while the sum is 49.

The square root of 2148812698 is about 46355.2877026990. The cubic root of 2148812698 is about 1290.4252545053.

The spelling of 2148812698 in words is "two billion, one hundred forty-eight million, eight hundred twelve thousand, six hundred ninety-eight".