2249609342 has 4 divisors (see below), whose sum is σ = 3374414016. Its totient is φ = 1124804670.

The previous prime is 2249609309. The next prime is 2249609359. The reversal of 2249609342 is 2439069422.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2439069422 = 2 ⋅1219534711.

It is a super-4 number, since 4×2249609342⁴ (a number of 39 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 2249609342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 562402334 + ... + 562402337.

It is an arithmetic number, because the mean of its divisors is an integer number (843603504).

Almost surely, 2^2249609342 is an apocalyptic number.

2249609342 is a deficient number, since it is larger than the sum of its proper divisors (1124804674).

2249609342 is a wasteful number, since it uses less digits than its factorization.

2249609342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1124804673.

The product of its (nonzero) digits is 186624, while the sum is 41.

The square root of 2249609342 is about 47430.0468268797. The cubic root of 2249609342 is about 1310.2948546711.

The spelling of 2249609342 in words is "two billion, two hundred forty-nine million, six hundred nine thousand, three hundred forty-two".