1692972112820 has 24 divisors (see below), whose sum is σ = 3556521798984. Its totient is φ = 676944966656.

The previous prime is 1692972112801. The next prime is 1692972112861. The reversal of 1692972112820 is 282112792961.

It can be written as a sum of positive squares in 4 ways, for example, as 2821309456 + 1690150803364 = 53116^2 + 1300058^2 .

It is a super-3 number, since 3×1692972112820³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 15185477 + ... + 15296556.

It is an arithmetic number, because the mean of its divisors is an integer number (148188408291).

Almost surely, 2^{1692972112820} is an apocalyptic number.

1692972112820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1692972112820 is an abundant number, since it is smaller than the sum of its proper divisors (1863549686164).

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

1692972112820 is a wasteful number, since it uses less digits than its factorization.

1692972112820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30484819 (or 30484817 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 50.

The spelling of 1692972112820 in words is "one trillion, six hundred ninety-two billion, nine hundred seventy-two million, one hundred twelve thousand, eight hundred twenty".