490812129398 has 8 divisors (see below), whose sum is σ = 736910782608. Its totient is φ = 245175201864.

The previous prime is 490812129397. The next prime is 490812129433. The reversal of 490812129398 is 893921218094.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490812129397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115428761 + ... + 115433012.

It is an arithmetic number, because the mean of its divisors is an integer number (92113847826).

Almost surely, 2^490812129398 is an apocalyptic number.

490812129398 is a deficient number, since it is larger than the sum of its proper divisors (246098653210).

490812129398 is a wasteful number, since it uses less digits than its factorization.

490812129398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230862838.

The product of its (nonzero) digits is 2239488, while the sum is 56.

The spelling of 490812129398 in words is "four hundred ninety billion, eight hundred twelve million, one hundred twenty-nine thousand, three hundred ninety-eight".