499078031699 has 4 divisors (see below), whose sum is σ = 537468649536. Its totient is φ = 460687413864.

The previous prime is 499078031657. The next prime is 499078031723. The reversal of 499078031699 is 996130870994.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-499078031699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (499078031609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19195308899 + ... + 19195308924.

It is an arithmetic number, because the mean of its divisors is an integer number (134367162384).

Almost surely, 2^499078031699 is an apocalyptic number.

499078031699 is a deficient number, since it is larger than the sum of its proper divisors (38390617837).

499078031699 is a wasteful number, since it uses less digits than its factorization.

499078031699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38390617836.

The product of its (nonzero) digits is 26453952, while the sum is 65.

The spelling of 499078031699 in words is "four hundred ninety-nine billion, seventy-eight million, thirty-one thousand, six hundred ninety-nine".