490516159724977 has 4 divisors (see below), whose sum is σ = 492286976186356. Its totient is φ = 488745343263600.

The previous prime is 490516159724933. The next prime is 490516159724989. The reversal of 490516159724977 is 779427951615094.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 109143653529856 + 381372506195121 = 10447184^2 + 19528761^2 .

It is a cyclic number.

It is not a de Polignac number, because 490516159724977 - 2⁴⁷ = 349778671369649 is a prime.

It is a super-2 number, since 2×490516159724977² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (490516154724977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 885408230274 + ... + 885408230827.

It is an arithmetic number, because the mean of its divisors is an integer number (123071744046589).

Almost surely, 2^{490516159724977} is an apocalyptic number.

It is an amenable number.

490516159724977 is a deficient number, since it is larger than the sum of its proper divisors (1770816461379).

490516159724977 is a wasteful number, since it uses less digits than its factorization.

490516159724977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1770816461378.

The product of its (nonzero) digits is 1200225600, while the sum is 76.

The spelling of 490516159724977 in words is "four hundred ninety trillion, five hundred sixteen billion, one hundred fifty-nine million, seven hundred twenty-four thousand, nine hundred seventy-seven".