499498963549 has 4 divisors (see below), whose sum is σ = 500541759360. Its totient is φ = 498456167740.

The previous prime is 499498963463. The next prime is 499498963559. The reversal of 499498963549 is 945369894994.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 499498963549 - 2⁷ = 499498963421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499498963559) 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, 521397187 + ... + 521398144.

It is an arithmetic number, because the mean of its divisors is an integer number (125135439840).

Almost surely, 2^499498963549 is an apocalyptic number.

It is an amenable number.

499498963549 is a deficient number, since it is larger than the sum of its proper divisors (1042795811).

499498963549 is a wasteful number, since it uses less digits than its factorization.

499498963549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1042795810.

The product of its digits is 2720977920, while the sum is 79.

The spelling of 499498963549 in words is "four hundred ninety-nine billion, four hundred ninety-eight million, nine hundred sixty-three thousand, five hundred forty-nine".