490387728583 has 16 divisors (see below), whose sum is σ = 506497868800. Its totient is φ = 474493269600.

The previous prime is 490387728529. The next prime is 490387728613. The reversal of 490387728583 is 385827783094.

It is not a de Polignac number, because 490387728583 - 2²¹ = 490385631431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490387728283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37259758 + ... + 37272916.

It is an arithmetic number, because the mean of its divisors is an integer number (31656116800).

Almost surely, 2^490387728583 is an apocalyptic number.

490387728583 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

490387728583 is a deficient number, since it is larger than the sum of its proper divisors (16110140217).

490387728583 is a wasteful number, since it uses less digits than its factorization.

490387728583 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21262.

The product of its (nonzero) digits is 81285120, while the sum is 64.

The spelling of 490387728583 in words is "four hundred ninety billion, three hundred eighty-seven million, seven hundred twenty-eight thousand, five hundred eighty-three".