490698749487 has 32 divisors (see below), whose sum is σ = 700862955520. Its totient is φ = 304489069920.

The previous prime is 490698749459. The next prime is 490698749501. The reversal of 490698749487 is 784947896094.

It is not a de Polignac number, because 490698749487 - 2³⁶ = 421979272751 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 (490698749587) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 416562 + ... + 1074672.

It is an arithmetic number, because the mean of its divisors is an integer number (21901967360).

Almost surely, 2^490698749487 is an apocalyptic number.

490698749487 is a deficient number, since it is larger than the sum of its proper divisors (210164206033).

490698749487 is a wasteful number, since it uses less digits than its factorization.

490698749487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658363.

The product of its (nonzero) digits is 877879296, while the sum is 75.

The spelling of 490698749487 in words is "four hundred ninety billion, six hundred ninety-eight million, seven hundred forty-nine thousand, four hundred eighty-seven".