2149572998 has 4 divisors (see below), whose sum is σ = 3224359500. Its totient is φ = 1074786498.

The previous prime is 2149572991. The next prime is 2149573009. The reversal of 2149572998 is 8992759412.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2149572991) by changing a digit.

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, 537393248 + ... + 537393251.

It is an arithmetic number, because the mean of its divisors is an integer number (806089875).

Almost surely, 2^2149572998 is an apocalyptic number.

2149572998 is a deficient number, since it is larger than the sum of its proper divisors (1074786502).

2149572998 is a wasteful number, since it uses less digits than its factorization.

2149572998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1074786501.

The product of its digits is 3265920, while the sum is 56.

The square root of 2149572998 is about 46363.4877678546. The cubic root of 2149572998 is about 1290.5774307329.

The spelling of 2149572998 in words is "two billion, one hundred forty-nine million, five hundred seventy-two thousand, nine hundred ninety-eight".