1490659878979 has 8 divisors (see below), whose sum is σ = 1494466470000. Its totient is φ = 1486857453312.

The previous prime is 1490659878977. The next prime is 1490659878989. The reversal of 1490659878979 is 9798789560941.

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

It is a cyclic number.

It is not a de Polignac number, because 1490659878979 - 2¹ = 1490659878977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1490659878977) 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, 324054 + ... + 1756795.

It is an arithmetic number, because the mean of its divisors is an integer number (186808308750).

Almost surely, 2^{1490659878979} is an apocalyptic number.

1490659878979 is a deficient number, since it is larger than the sum of its proper divisors (3806591021).

1490659878979 is a wasteful number, since it uses less digits than its factorization.

1490659878979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2082677.

The product of its (nonzero) digits is 2469035520, while the sum is 82.

The spelling of 1490659878979 in words is "one trillion, four hundred ninety billion, six hundred fifty-nine million, eight hundred seventy-eight thousand, nine hundred seventy-nine".