491041450738 has 8 divisors (see below), whose sum is σ = 760322246400. Its totient is φ = 237600701940.

The previous prime is 491041450729. The next prime is 491041450763. The reversal of 491041450738 is 837054140194.

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

It is a super-2 number, since 2×491041450738² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3960011638 + ... + 3960011761.

It is an arithmetic number, because the mean of its divisors is an integer number (95040280800).

Almost surely, 2^491041450738 is an apocalyptic number.

491041450738 is a deficient number, since it is larger than the sum of its proper divisors (269280795662).

491041450738 is a wasteful number, since it uses less digits than its factorization.

491041450738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7920023432.

The product of its (nonzero) digits is 483840, while the sum is 46.

The spelling of 491041450738 in words is "four hundred ninety-one billion, forty-one million, four hundred fifty thousand, seven hundred thirty-eight".