1491382972070 has 8 divisors (see below), whose sum is σ = 2684489349744. Its totient is φ = 596553188824.

The previous prime is 1491382972063. The next prime is 1491382972097. The reversal of 1491382972070 is 702792831941.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74569148594 + ... + 74569148613.

It is an arithmetic number, because the mean of its divisors is an integer number (335561168718).

Almost surely, 2^{1491382972070} is an apocalyptic number.

1491382972070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1491382972070 is a deficient number, since it is larger than the sum of its proper divisors (1193106377674).

1491382972070 is a wasteful number, since it uses less digits than its factorization.

1491382972070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149138297214.

The product of its (nonzero) digits is 1524096, while the sum is 53.

The spelling of 1491382972070 in words is "one trillion, four hundred ninety-one billion, three hundred eighty-two million, nine hundred seventy-two thousand, seventy".