2894657242 has 4 divisors (see below), whose sum is σ = 4341985866. Its totient is φ = 1447328620.

The previous prime is 2894657237. The next prime is 2894657261. The reversal of 2894657242 is 2427564982.

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., 1765764441 + 1128892801 = 42021^2 + 33599^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 723664309 + ... + 723664312.

Almost surely, 2^2894657242 is an apocalyptic number.

2894657242 is a deficient number, since it is larger than the sum of its proper divisors (1447328624).

2894657242 is a wasteful number, since it uses less digits than its factorization.

2894657242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1447328623.

The product of its digits is 1935360, while the sum is 49.

The square root of 2894657242 is about 53802.0189398130. The cubic root of 2894657242 is about 1425.1668612649.

The spelling of 2894657242 in words is "two billion, eight hundred ninety-four million, six hundred fifty-seven thousand, two hundred forty-two".