2351409442 has 4 divisors (see below), whose sum is σ = 3527114166. Its totient is φ = 1175704720.

The previous prime is 2351409419. The next prime is 2351409461. The reversal of 2351409442 is 2449041532.

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., 1477556721 + 873852721 = 38439^2 + 29561^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2351409398 and 2351409407.

It is an unprimeable number.

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, 587852359 + ... + 587852362.

Almost surely, 2^2351409442 is an apocalyptic number.

2351409442 is a deficient number, since it is larger than the sum of its proper divisors (1175704724).

2351409442 is a wasteful number, since it uses less digits than its factorization.

2351409442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1175704723.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 2351409442 is about 48491.3336793287. Note that the first 3 decimals coincide. The cubic root of 2351409442 is about 1329.7686374646.

The spelling of 2351409442 in words is "two billion, three hundred fifty-one million, four hundred nine thousand, four hundred forty-two".