1720942269696 has 432 divisors, whose sum is σ = 5403788208000. Its totient is φ = 523591630848.

The previous prime is 1720942269671. The next prime is 1720942269713. The reversal of 1720942269696 is 6969622490271.

1720942269696 is a `hidden beast` number, since 17 + 20 + 9 + 422 + 6 + 96 + 96 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1066919386 + ... + 1066920998.

It is an arithmetic number, because the mean of its divisors is an integer number (12508769000).

Almost surely, 2^{1720942269696} is an apocalyptic number.

1720942269696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1720942269696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2701894104000).

1720942269696 is an abundant number, since it is smaller than the sum of its proper divisors (3682845938304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1720942269696 is a wasteful number, since it uses less digits than its factorization.

1720942269696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2026 (or 2009 counting only the distinct ones).

The product of its (nonzero) digits is 35271936, while the sum is 63.

The spelling of 1720942269696 in words is "one trillion, seven hundred twenty billion, nine hundred forty-two million, two hundred sixty-nine thousand, six hundred ninety-six".