491150737 has 24 divisors (see below), whose sum is σ = 618762816. Its totient is φ = 381612000.

The previous prime is 491150713. The next prime is 491150813. The reversal of 491150737 is 737051194.

It is not a de Polignac number, because 491150737 - 2⁷ = 491150609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 491150696 and 491150705.

It is not an unprimeable number, because it can be changed into a prime (491150707) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 415287 + ... + 416467.

It is an arithmetic number, because the mean of its divisors is an integer number (25781784).

Almost surely, 2^491150737 is an apocalyptic number.

It is an amenable number.

491150737 is a deficient number, since it is larger than the sum of its proper divisors (127612079).

491150737 is a wasteful number, since it uses less digits than its factorization.

491150737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1701 (or 1690 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 37.

The square root of 491150737 is about 22161.9208779384. The cubic root of 491150737 is about 788.9901838770.

The spelling of 491150737 in words is "four hundred ninety-one million, one hundred fifty thousand, seven hundred thirty-seven".