491537010 has 32 divisors (see below), whose sum is σ = 1181313792. Its totient is φ = 130896000.

The previous prime is 491536993. The next prime is 491537041. The reversal of 491537010 is 10735194.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11622 + ... + 33438.

It is an arithmetic number, because the mean of its divisors is an integer number (36916056).

Almost surely, 2^491537010 is an apocalyptic number.

491537010 is an abundant number, since it is smaller than the sum of its proper divisors (689776782).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

491537010 is a wasteful number, since it uses less digits than its factorization.

491537010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22578.

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 491537010 is about 22170.6339557533. The cubic root of 491537010 is about 789.1969674714.

The spelling of 491537010 in words is "four hundred ninety-one million, five hundred thirty-seven thousand, ten".