491149070 has 8 divisors (see below), whose sum is σ = 884068344. Its totient is φ = 196459624.

The previous prime is 491149033. The next prime is 491149073. The reversal of 491149070 is 70941194.

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

It is a super-3 number, since 3×491149070³ (a number of 27 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 491149070.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (491149073) 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, 24557444 + ... + 24557463.

It is an arithmetic number, because the mean of its divisors is an integer number (110508543).

Almost surely, 2^491149070 is an apocalyptic number.

491149070 is a deficient number, since it is larger than the sum of its proper divisors (392919274).

491149070 is a wasteful number, since it uses less digits than its factorization.

491149070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49114914.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 491149070 is about 22161.8832683506. The cubic root of 491149070 is about 788.9892912467.

The spelling of 491149070 in words is "four hundred ninety-one million, one hundred forty-nine thousand, seventy".