42783902499 has 16 divisors (see below), whose sum is σ = 65047020192. Its totient is φ = 24779816448.

The previous prime is 42783902471. The next prime is 42783902501. The reversal of 42783902499 is 99420938724.

It is not a de Polignac number, because 42783902499 - 2⁸ = 42783902243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42783902299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32264724 + ... + 32266049.

It is an arithmetic number, because the mean of its divisors is an integer number (4065438762).

Almost surely, 2^42783902499 is an apocalyptic number.

42783902499 is a deficient number, since it is larger than the sum of its proper divisors (22263117693).

42783902499 is a wasteful number, since it uses less digits than its factorization.

42783902499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64530806.

The product of its (nonzero) digits is 7838208, while the sum is 57.

The spelling of 42783902499 in words is "forty-two billion, seven hundred eighty-three million, nine hundred two thousand, four hundred ninety-nine".