499993238403 has 32 divisors (see below), whose sum is σ = 748200110400. Its totient is φ = 329968800000.

The previous prime is 499993238401. The next prime is 499993238441. The reversal of 499993238403 is 304832399994.

It is a Cunningham number, because it is equal to 707102²-1.

It is not a de Polignac number, because 499993238403 - 2¹ = 499993238401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (499993238401) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19078633 + ... + 19104821.

It is an arithmetic number, because the mean of its divisors is an integer number (23381253450).

Almost surely, 2^499993238403 is an apocalyptic number.

499993238403 is a deficient number, since it is larger than the sum of its proper divisors (248206871997).

499993238403 is a wasteful number, since it uses less digits than its factorization.

499993238403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33300 (or 33294 counting only the distinct ones).

The product of its (nonzero) digits is 45349632, while the sum is 63.

The spelling of 499993238403 in words is "four hundred ninety-nine billion, nine hundred ninety-three million, two hundred thirty-eight thousand, four hundred three".