499370091 has 8 divisors (see below), whose sum is σ = 726356544. Its totient is φ = 302648520.

The previous prime is 499370071. The next prime is 499370099. The reversal of 499370091 is 190073994.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 499370091 - 2¹¹ = 499368043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (499370099) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7566181 + ... + 7566246.

It is an arithmetic number, because the mean of its divisors is an integer number (90794568).

Almost surely, 2^499370091 is an apocalyptic number.

499370091 is a deficient number, since it is larger than the sum of its proper divisors (226986453).

499370091 is a wasteful number, since it uses less digits than its factorization.

499370091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15132441.

The product of its (nonzero) digits is 61236, while the sum is 42.

The square root of 499370091 is about 22346.5901425699. The cubic root of 499370091 is about 793.3670798480.

The spelling of 499370091 in words is "four hundred ninety-nine million, three hundred seventy thousand, ninety-one".