2249687698 has 8 divisors (see below), whose sum is σ = 3375260208. Its totient is φ = 1124600964.

The previous prime is 2249687681. The next prime is 2249687771. The reversal of 2249687698 is 8967869422.

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

It is a super-2 number, since 2×2249687698² = 10122189477065078408, which 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, 109636 + ... + 128527.

It is an arithmetic number, because the mean of its divisors is an integer number (421907526).

Almost surely, 2^2249687698 is an apocalyptic number.

2249687698 is a deficient number, since it is larger than the sum of its proper divisors (1125572510).

2249687698 is a wasteful number, since it uses less digits than its factorization.

2249687698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242888.

The product of its digits is 20901888, while the sum is 61.

The square root of 2249687698 is about 47430.8728361602. The cubic root of 2249687698 is about 1310.3100674267.

The spelling of 2249687698 in words is "two billion, two hundred forty-nine million, six hundred eighty-seven thousand, six hundred ninety-eight".