491948283 has 8 divisors (see below), whose sum is σ = 661949200. Its totient is φ = 324956448.

The previous prime is 491948273. The next prime is 491948293. The reversal of 491948283 is 382849194.

It is an interprime number because it is at equal distance from previous prime (491948273) and next prime (491948293).

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

It is not a de Polignac number, because 491948283 - 2⁴ = 491948267 is a prime.

It is a super-2 number, since 2×491948283² = 484026226293296178, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (491948273) 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, 751888 + ... + 752541.

It is an arithmetic number, because the mean of its divisors is an integer number (82743650).

Almost surely, 2^491948283 is an apocalyptic number.

491948283 is a deficient number, since it is larger than the sum of its proper divisors (170000917).

491948283 is a wasteful number, since it uses less digits than its factorization.

491948283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1504541.

The product of its digits is 497664, while the sum is 48.

The square root of 491948283 is about 22179.9071909690. The cubic root of 491948283 is about 789.4170152772.

The spelling of 491948283 in words is "four hundred ninety-one million, nine hundred forty-eight thousand, two hundred eighty-three".