499498901 has 4 divisors (see below), whose sum is σ = 544907904. Its totient is φ = 454089900.

The previous prime is 499498817. The next prime is 499498919. The reversal of 499498901 is 109894994.

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 not a de Polignac number, because 499498901 - 2¹⁸ = 499236757 is a prime.

It is a super-4 number, since 4×499498901⁴ (a number of 36 digits) contains 4444 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499498991) 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 3 ways as a sum of consecutive naturals, for example, 22704485 + ... + 22704506.

It is an arithmetic number, because the mean of its divisors is an integer number (136226976).

Almost surely, 2^499498901 is an apocalyptic number.

It is an amenable number.

499498901 is a deficient number, since it is larger than the sum of its proper divisors (45409003).

499498901 is a wasteful number, since it uses less digits than its factorization.

499498901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45409002.

The product of its (nonzero) digits is 839808, while the sum is 53.

The square root of 499498901 is about 22349.4720519300. The cubic root of 499498901 is about 793.4352889978.

The spelling of 499498901 in words is "four hundred ninety-nine million, four hundred ninety-eight thousand, nine hundred one".