1490421606508 has 12 divisors (see below), whose sum is σ = 2608281689832. Its totient is φ = 745198266560.

The previous prime is 1490421606503. The next prime is 1490421606533. The reversal of 1490421606508 is 8056061240941.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1490421606503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2864098 + ... + 3344233.

It is an arithmetic number, because the mean of its divisors is an integer number (217356807486).

Almost surely, 2^{1490421606508} is an apocalyptic number.

It is an amenable number.

1490421606508 is a deficient number, since it is larger than the sum of its proper divisors (1117860083324).

1490421606508 is a wasteful number, since it uses less digits than its factorization.

1490421606508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6268352 (or 6268350 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 46.

The spelling of 1490421606508 in words is "one trillion, four hundred ninety billion, four hundred twenty-one million, six hundred six thousand, five hundred eight".