499785313403 has 2 divisors, whose sum is σ = 499785313404. Its totient is φ = 499785313402.

The previous prime is 499785313333. The next prime is 499785313429. The reversal of 499785313403 is 304313587994.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 499785313403 - 2⁸ = 499785313147 is a prime.

It is not a weakly prime, because it can be changed into another prime (499785313603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249892656701 + 249892656702.

It is an arithmetic number, because the mean of its divisors is an integer number (249892656702).

Almost surely, 2^499785313403 is an apocalyptic number.

499785313403 is a deficient number, since it is larger than the sum of its proper divisors (1).

499785313403 is an equidigital number, since it uses as much as digits as its factorization.

499785313403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9797760, while the sum is 56.

The spelling of 499785313403 in words is "four hundred ninety-nine billion, seven hundred eighty-five million, three hundred thirteen thousand, four hundred three".