783903443342 has 4 divisors (see below), whose sum is σ = 1175855165016. Its totient is φ = 391951721670.

The previous prime is 783903443333. The next prime is 783903443357. The reversal of 783903443342 is 243344309387.

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

It is a super-2 number, since 2×783903443342² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

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, 195975860834 + ... + 195975860837.

It is an arithmetic number, because the mean of its divisors is an integer number (293963791254).

Almost surely, 2^783903443342 is an apocalyptic number.

783903443342 is a deficient number, since it is larger than the sum of its proper divisors (391951721674).

783903443342 is a wasteful number, since it uses less digits than its factorization.

783903443342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391951721673.

The product of its (nonzero) digits is 5225472, while the sum is 50.

The spelling of 783903443342 in words is "seven hundred eighty-three billion, nine hundred three million, four hundred forty-three thousand, three hundred forty-two".